Hotfix conflict role Spam/Junk

lib/features/mailbox/domain/exceptions/mailbox_exception.dart

@@ -0,0 +1,4 @@
+
+class NotFoundInboxMailboxException implements Exception {}
+
+class NotFoundMailboxException implements Exception {}

lib/features/mailbox/domain/exceptions/set_mailbox_method_exception.dart

@@ -11,6 +11,4 @@ class SetMailboxMethodException implements Exception {
 
 class NotFoundMailboxCreatedException implements Exception {}
 
-class NotFoundMailboxUpdatedRoleException implements Exception {}
-
-class NotFoundMailboxException implements Exception {}
+class NotFoundMailboxUpdatedRoleException implements Exception {}