TF-1749 Handle delete drafts email after send email successfully

(cherry picked from commit bbef527d780425364660221271295a3fa733dcde)

lib/features/composer/domain/model/email_request.dart

@@ -28,16 +28,3 @@ class EmailRequest with EquatableMixin {
     emailIdDestroyed
   ];
 }
-
-extension EmailRequestExtension on EmailRequest {
-
-  EmailRequest toEmailRequest({Email? newEmail}) {
-    return EmailRequest(
-      newEmail ?? email,
-      submissionCreateId,
-      sentMailboxId: sentMailboxId,
-      identity: identity,
-      emailIdDestroyed: emailIdDestroyed
-    );
-  }
-}

lib/features/composer/domain/usecases/send_email_interactor.dart

@@ -40,6 +40,10 @@ class SendEmailInteractor {
       );
 
       if (result) {
+        if (emailRequest.emailIdDestroyed != null) {
+          await _emailRepository.deleteEmailPermanently(session, accountId, emailRequest.emailIdDestroyed!);
+        }
+
         yield Right<Failure, Success>(
           SendEmailSuccess(
             currentEmailState: currentEmailState,

lib/features/email/data/network/email_api.dart

@@ -141,9 +141,6 @@ class EmailAPI with HandleSetErrorMixin {
     final setEmailMethod = SetEmailMethod(accountId)
       ..addCreate(idCreateMethod, emailNeedsToBeCreated);
 
-    if (emailRequest.emailIdDestroyed != null) {
-      setEmailMethod.addDestroy({emailRequest.emailIdDestroyed!.id});
-    }
     final setEmailInvocation = requestBuilder.invocation(setEmailMethod);
 
     final setEmailSubmissionMethod = SetEmailSubmissionMethod(accountId)