Bug: handle force decline for no 3ds requests in adyen



We need to start sending execute_three_d as false in adyen no3ds payments request to skip 3ds auth.
diff --git a/crates/hyperswitch_connectors/src/connectors/adyen/transformers.rs b/crates/hyperswitch_connectors/src/connectors/adyen/transformers.rs
index 7494f452646..dee0efbf0b6 100644
--- a/crates/hyperswitch_connectors/src/connectors/adyen/transformers.rs
+++ b/crates/hyperswitch_connectors/src/connectors/adyen/transformers.rs
@@ -1887,29 +1887,19 @@ fn get_additional_data(item: &PaymentsAuthorizeRouterData) -> Option<AdditionalD
     let execute_three_d = if matches!(item.auth_type, storage_enums::AuthenticationType::ThreeDs) {
         Some("true".to_string())
     } else {
-        None
+        Some("false".to_string())
     };
-    if authorisation_type.is_none()
-        && manual_capture.is_none()
-        && execute_three_d.is_none()
-        && riskdata.is_none()
-    {
-        //without this if-condition when the above 3 values are None, additionalData will be serialized to JSON like this -> additionalData: {}
-        //returning None, ensures that additionalData key will not be present in the serialized JSON
-        None
-    } else {
-        Some(AdditionalData {
-            authorisation_type,
-            manual_capture,
-            execute_three_d,
-            network_tx_reference: None,
-            recurring_detail_reference: None,
-            recurring_shopper_reference: None,
-            recurring_processing_model: None,
-            riskdata,
-            ..AdditionalData::default()
-        })
-    }
+    Some(AdditionalData {
+        authorisation_type,
+        manual_capture,
+        execute_three_d,
+        network_tx_reference: None,
+        recurring_detail_reference: None,
+        recurring_shopper_reference: None,
+        recurring_processing_model: None,
+        riskdata,
+        ..AdditionalData::default()
+    })
 }
 
 fn get_channel_type(pm_type: Option<storage_enums::PaymentMethodType>) -> Option<Channel> {

## Type of Change
<!-- Put an `x` in the boxes that apply -->

- [ ] Bugfix
- [ ] New feature
- [x] Enhancement
- [ ] Refactoring
- [ ] Dependency updates
- [ ] Documentation
- [ ] CI/CD

## Description
<!-- Describe your changes in detail -->
We need to start sending execute_three_d as false in adyen no3ds payments request to skip 3ds auth at adyen ends.

### Additional Changes

- [ ] This PR modifies the API contract
- [ ] This PR modifies the database schema
- [ ] This PR modifies application configuration/environment variables

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1. `config`
2. `crates/router/src/configs`
3. `loadtest/config`
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## Motivation and Context
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If it fixes an open issue, please link to the issue here.

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## How did you test it?
<!--
Did you write an integration/unit/API test to verify the code changes?
Or did you test this change manually (provide relevant screenshots)?
-->
```
curl --location 'http://localhost:8080/payments' \
--header 'Content-Type: application/json' \
--header 'Accept: application/json' \
--header 'api-key: dev_**' \
--data-raw '{
    "amount": 600,
    "currency": "USD",
    "connector": [
        "adyen"
    ],
    "customer_id": "cus_CDei4NEhboFFubgAxsy8",
    "profile_id": "pro_kl4dSq0FXRc2PC6oZYic",
    "confirm": true,
    "payment_link": false,
    "capture_method": "automatic",
    "capture_on": "2029-09-10T10:11:12Z",
    "amount_to_capture": 600,
    "name": "John Doe",
    "email": "dg@example.com",
    "phone": "999999999",
    "phone_country_code": "+1",
    "description": "Its my first payment request",
    "return_url": "https://google.com",
    "payment_method_data": {
        "card": {
            "card_number": "3714 4963 5398 431",
            "card_exp_month": "03",
            "card_exp_year": "2030",
            "card_holder_name": "joseph Doe",
            "card_cvc": "7373"
        },
        "billing": {
            "address": {
                "line1": "1467",
                "line2": "CA",
                "city": "San Fransico",
                "state": "California",
                "zip": "94122",
                "country": "US"
            }
        }
    },
    "payment_method": "card",
    "payment_method_type": "credit",
    "browser_info": {
        "color_depth": 24,
        "java_enabled": true,
        "java_script_enabled": true,
        "language": "en-GB",
        "screen_height": 720,
        "screen_width": 1280,
        "time_zone": -330,
        "ip_address": "208.127.127.193",
        "accept_header": "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8",
        "user_agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36 Edg/126.0.0.0"
    },
    "metadata": {
        "udf1": "value1",
        "new_customer": "true",
        "login_date": "2019-09-10T10:11:12Z"
    },
    "order_details": [
        {
            "product_name": "Tea",
            "quantity": 1,
            "amount": 110,
            "product_img_link": "https://thumbs.dreamstime.com/b/indian-tea-spices-masala-chai-33827904.jpg"
        },
        {
            "product_name": "Tea",
            "quantity": 1,
            "amount": 110,
            "product_img_link": "https://thumbs.dreamstime.com/b/indian-tea-spices-masala-chai-33827904.jpg"
        },
        {
            "product_name": "Tea",
            "quantity": 1,
            "amount": 110,
            "product_img_link": "https://thumbs.dreamstime.com/b/indian-tea-spices-masala-chai-33827904.jpg"
        }
    ]
}'
```
Response:
```
{"payment_id":"pay_i1WPa87SrXPwwNVQmvWi","merchant_id":"merchant_1757416130","status":"succeeded","amount":600,"net_amount":600,"shipping_cost":null,"amount_capturable":0,"amount_received":600,"connector":"adyen","client_secret":"pay_1","created":"2025-09-09T13:40:59.979Z","currency":"USD","customer_id":"cus_CDei4NEhboFFubgAxsy8","customer":{"id":"cus_CDei4NEhboFFubgAxsy8","name":"John Doe","email":"dg@example.com","phone":"999999999","phone_country_code":"+1"},"description":"Its my first payment request","refunds":null,"disputes":null,"mandate_id":null,"mandate_data":null,"setup_future_usage":null,"off_session":null,"capture_on":null,"capture_method":"automatic","payment_method":"card","payment_method_data":{"card":{"last4":"8431","card_type":null,"card_network":null,"card_issuer":null,"card_issuing_country":null,"card_isin":"371449","card_extended_bin":null,"card_exp_month":"03","card_exp_year":"2030","card_holder_name":"joseph Doe","payment_checks":null,"authentication_data":null},"billing":{"address":{"city":"San Fransico","country":"US","line1":"1467","line2":"CA","line3":null,"zip":"94122","state":"California","first_name":null,"last_name":null,"origin_zip":null},"phone":null,"email":null}},"payment_token":null,"shipping":null,"billing":null,"order_details":[{"sku":null,"upc":null,"brand":null,"amount":110,"category":null,"quantity":1,"tax_rate":null,"product_id":null,"description":null,"product_name":"Tea","product_type":null,"sub_category":null,"total_amount":null,"commodity_code":null,"unit_of_measure":null,"product_img_link":"https://thumbs.dreamstime.com/b/indian-tea-spices-masala-chai-33827904.jpg","product_tax_code":null,"total_tax_amount":null,"requires_shipping":null,"unit_discount_amount":null},{"sku":null,"upc":null,"brand":null,"amount":110,"category":null,"quantity":1,"tax_rate":null,"product_id":null,"description":null,"product_name":"Tea","product_type":null,"sub_category":null,"total_amount":null,"commodity_code":null,"unit_of_measure":null,"product_img_link":"https://thumbs.dreamstime.com/b/indian-tea-spices-masala-chai-33827904.jpg","product_tax_code":null,"total_tax_amount":null,"requires_shipping":null,"unit_discount_amount":null},{"sku":null,"upc":null,"brand":null,"amount":110,"category":null,"quantity":1,"tax_rate":null,"product_id":null,"description":null,"product_name":"Tea","product_type":null,"sub_category":null,"total_amount":null,"commodity_code":null,"unit_of_measure":null,"product_img_link":"https://thumbs.dreamstime.com/b/indian-tea-spices-masala-chai-33827904.jpg","product_tax_code":null,"total_tax_amount":null,"requires_shipping":null,"unit_discount_amount":null}],"email":"dg@example.com","name":"John Doe","phone":"999999999","return_url":"https://google.com/","authentication_type":"no_three_ds","statement_descriptor_name":null,"statement_descriptor_suffix":null,"next_action":null,"cancellation_reason":null,"error_code":null,"error_message":null,"unified_code":null,"unified_message":null,"payment_experience":null,"payment_method_type":"credit","connector_label":null,"business_country":null,"business_label":"default","business_sub_label":null,"allowed_payment_method_types":null,"ephemeral_key":{"customer_id":"cus_CDei4NEhboFFubgAxsy8","created_at":1757425259,"expires":1757428859,"secret":"epk_c68ada5037fa41c2baf2979129cafaad"},"manual_retry_allowed":false,"connector_transaction_id":"GRVGDV9XKZZBDR75","frm_message":null,"metadata":{"udf1":"value1","login_date":"2019-09-10T10:11:12Z","new_customer":"true"},"connector_metadata":null,"feature_metadata":{"redirect_response":null,"search_tags":null,"apple_pay_recurring_details":null,"gateway_system":"direct"},"reference_id":"pay_i1WPa87SrXPwwNVQmvWi_1","payment_link":null,"profile_id":"pro_kl4dSq0FXRc2PC6oZYic","surcharge_details":null,"attempt_count":1,"merchant_decision":null,"merchant_connector_id":"mca_SWDhbvMuWt3v5vlL6MNT","incremental_authorization_allowed":false,"authorization_count":null,"incremental_authorizations":null,"external_authentication_details":null,"external_3ds_authentication_attempted":false,"expires_on":"2025-09-09T13:55:59.979Z","fingerprint":null,"browser_info":{"language":"en-GB","time_zone":-330,"ip_address":"208.127.127.193","user_agent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36 Edg/126.0.0.0","color_depth":24,"java_enabled":true,"screen_width":1280,"accept_header":"text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8","screen_height":720,"java_script_enabled":true},"payment_channel":null,"payment_method_id":null,"network_transaction_id":"439956500571320","payment_method_status":null,"updated":"2025-09-09T13:41:03.043Z","split_payments":null,"frm_metadata":null,"extended_authorization_applied":null,"capture_before":null,"merchant_order_reference_id":null,"order_tax_amount":null,"connector_mandate_id":null,"card_discovery":"manual","force_3ds_challenge":false,"force_3ds_challenge_trigger":false,"issuer_error_code":null,"issuer_error_message":null,"is_iframe_redirection_enabled":null,"whole_connector_response":null,"enable_partial_authorization":null,"enable_overcapture":null,"is_overcapture_enabled":null}
```

## Checklist
<!-- Put an `x` in the boxes that apply -->

- [x] I formatted the code `cargo +nightly fmt --all`
- [x] I addressed lints thrown by `cargo clippy`
- [ ] I reviewed the submitted code
- [ ] I added unit tests for my changes where possible
