### Is there an existing issue for this?

- [X] I have searched the existing issues

### Current Behavior

It seems that it is possible to receive sns message in an sqs listener if there is a filterpolicy in place for null value in a message attribute, and a message is being sent without the message attribute.

### Expected Behavior

Don't recieve these type of messages

### How are you starting LocalStack?

With a docker-compose file

### Steps To Reproduce

`sns subscribe --topic-arn "demoTopicArn"  --protocol sqs --notification-endpoint "demoSqsEndpoint" --attributes '{"RawMessageDelivery": "true"}'`
`sns set-subscription-attributes --subscription-arn demoSubsArn --attribute-name FilterPolicy --attribute-value '{"testForNull": [null,{"anything-but": ["notgood"]}]}'`
`sns publish --topic-arn demoTopicArn --message "testforrecieval"`
`sqs receive-message --queue-url  "demoUrl"`

### Environment

```markdown
- OS: macOS 13.6
- LocalStack: 2.2.0
```


### Anything else?

_No response_
)
        snapshot.match("subscribe-exact-same-raw", subscribe_resp)
        subscribe_resp = subscribe_queue_to_topic(
            {
                "RawMessageDelivery": "true",
                "FilterPolicyScope": "MessageAttributes",  
            }
        )
        snapshot.match("subscribe-idempotent", subscribe_resp)
        
        subscribe_resp = subscribe_queue_to_topic()
        snapshot.match("subscribe-idempotent-no-attributes", subscribe_resp)
        subscribe_resp = subscribe_queue_to_topic({})
        snapshot.match("subscribe-idempotent-empty-attributes", subscribe_resp)
        subscribe_resp = subscribe_queue_to_topic({"FilterPolicyScope": "MessageAttributes"})
        snapshot.match("subscribe-missing-attributes", subscribe_resp)
        with pytest.raises(ClientError) as e:
            subscribe_queue_to_topic(
                {
                    "RawMessageDelivery": "false",
                    "FilterPolicyScope": "MessageBody",
                }
            )
        snapshot.match("subscribe-diff-attributes", e.value.response)
class TestSNSSubscriptionLambda:
    @markers.aws.validated
    def test_python_lambda_subscribe_sns_topic(
        self,
        sns_create_topic,
        sns_subscription,