TF-2101 Handle restore deleted messages

(cherry picked from commit e675f98a6c85d9c4a90efc686e6ff72d23b4c678)

lib/features/mailbox/domain/model/get_mailbox_by_role_response.dart

@@ -0,0 +1,15 @@
+import 'package:equatable/equatable.dart';
+import 'package:jmap_dart_client/jmap/mail/mailbox/mailbox.dart';
+
+class GetMailboxByRoleResponse with EquatableMixin {
+  final Mailbox? mailbox;
+
+  GetMailboxByRoleResponse({
+    this.mailbox,
+  });
+
+  @override
+  List<Object?> get props => [
+    mailbox,
+  ];
+}