TF-1866 Add abstraction method for delete sending email

(cherry picked from commit c4a9fce0c08ce0c6976bc367ade567430fbfcff3)

lib/features/sending_queue/domain/state/delete_multiple_sending_email_state.dart

@@ -0,0 +1,25 @@
+
+import 'package:core/presentation/state/failure.dart';
+import 'package:core/presentation/state/success.dart';
+
+class DeleteMultipleSendingEmailLoading extends UIState {}
+
+class DeleteMultipleSendingEmailAllSuccess extends UIState {}
+
+class DeleteMultipleSendingEmailHasSomeSuccess extends UIState {}
+
+class DeleteMultipleSendingEmailAllFailure extends FeatureFailure {
+
+  DeleteMultipleSendingEmailAllFailure(dynamic exception) : super(exception: exception);
+
+  @override
+  List<Object?> get props => [exception];
+}
+
+class DeleteMultipleSendingEmailFailure extends FeatureFailure {
+
+  DeleteMultipleSendingEmailFailure(dynamic exception) : super(exception: exception);
+
+  @override
+  List<Object?> get props => [exception];
+}