TF-3864 Fix run mailbox_dashboard_controller_test fail on CI

Signed-off-by: dab246 <tdvu@linagora.com>

Author: dab246

test/features/mailbox_dashboard/presentation/controller/mailbox_dashboard_controller_test.dart

@@ -672,7 +672,7 @@ void main() {
       const String folderName = 'folder';
       final result = mailboxController.getSubAddress(userEmail, folderName);
 
-      expect(result, equals('user+folder@example.com'));
+      expect(result, equals('<user+folder@example.com>'));
     });
 
     test('should throw an error if empty local part', () {