refactor(webhook): added the unknown field to the webhook_event_status of every connector (#1343)

Co-authored-by: prajjwalkumar17 <prajjwal.kumar@juspay.in>
Co-authored-by: ItsMeShashank <shashank.attarde@juspay.in>
Co-authored-by: Sanchith Hegde <22217505+SanchithHegde@users.noreply.github.com>
Co-authored-by: Arun Raj M <jarnura47@gmail.com>
Files to modify:


**aci.rs**
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**transformers.rs**
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**transformers.rs**
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**transformers.rs**
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**bambora.rs**
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**bitpay.rs**
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**transformers.rs**
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**bluesnap.rs**
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**transformers.rs**
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**braintree.rs**
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**coinbase.rs**
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**transformers.rs**
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**cybersource.rs**
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**dlocal.rs**
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**dummyconnector.rs**
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**fiserv.rs**
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**forte.rs**
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**globalpay.rs**
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**response.rs**
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**iatapay.rs**
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**transformers.rs**
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**klarna.rs**
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**mollie.rs**
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**multisafepay.rs**
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**nexinets.rs**
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**nmi.rs**
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**noon.rs**
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**transformers.rs**
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**nuvei.rs**
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**transformers.rs**
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**transformers.rs**
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**payeezy.rs**
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**paypal.rs**
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**payu.rs**
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**transformers.rs**
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**shift4.rs**
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**transformers.rs**
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**stripe.rs**
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**transformers.rs**
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**trustpay.rs**
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**transformers.rs**
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**worldline.rs**
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**transformers.rs**
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**worldpay.rs**
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**response.rs**
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**zen.rs**
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**transformers.rs**
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