TF-1812 Implement interactor store sending email

(cherry picked from commit d1a064ec87c9f0ebdb373c893d891db9a93a9d37)

lib/features/composer/domain/extensions/email_requestl_extension.dart

@@ -0,0 +1,20 @@
+
+import 'package:tmail_ui_user/features/composer/domain/model/email_request.dart';
+import 'package:tmail_ui_user/features/composer/domain/model/sending_email.dart';
+import 'package:tmail_ui_user/features/mailbox/domain/model/create_new_mailbox_request.dart';
+
+extension EmailRequestExtension on EmailRequest {
+  SendingEmail toSendingEmail(String sendingId, {CreateNewMailboxRequest? mailboxRequest}) {
+    return SendingEmail(
+      sendingId: sendingId,
+      email: email,
+      emailActionType: emailActionType,
+      sentMailboxId: sentMailboxId,
+      emailIdDestroyed: emailIdDestroyed,
+      emailIdAnsweredOrForwarded: emailIdAnsweredOrForwarded,
+      identityId: identityId,
+      mailboxNameRequest: mailboxRequest?.newName,
+      creationIdRequest: mailboxRequest?.creationId
+    );
+  }
+}

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

@@ -11,23 +11,23 @@ class EmailRequest with EquatableMixin {
   final MailboxId? sentMailboxId;
   final EmailId? emailIdDestroyed;
   final EmailId? emailIdAnsweredOrForwarded;
-  final Identity? identity;
-  final EmailActionType? emailActionType;
+  final IdentityId? identityId;
+  final EmailActionType emailActionType;
 
-  EmailRequest(
-    this.email, {
+  EmailRequest({
+    required this.email,
+    required this.emailActionType,
     this.sentMailboxId,
-    this.identity,
+    this.identityId,
     this.emailIdDestroyed,
     this.emailIdAnsweredOrForwarded,
-    this.emailActionType
   });
 
   @override
   List<Object?> get props => [
     email,
     sentMailboxId,
-    identity,
+    identityId,
     emailIdDestroyed,
     emailIdAnsweredOrForwarded,
     emailActionType