refactor(sentry): standardize exceptions to prevent Sentry minification

lib/features/sending_queue/data/exceptions/sending_queue_exceptions.dart

@@ -1,4 +1,15 @@
+import 'package:core/domain/exceptions/app_base_exception.dart';
 
-class NotFoundSendingEmailHiveObject implements Exception {}
+class NotFoundSendingEmailHiveObject extends AppBaseException {
+  NotFoundSendingEmailHiveObject([super.message]);
 
-class ExistSendingEmailHiveObject implements Exception {}
+  @override
+  String get exceptionName => 'NotFoundSendingEmailHiveObject';
+}
+
+class ExistSendingEmailHiveObject extends AppBaseException {
+  ExistSendingEmailHiveObject([super.message]);
+
+  @override
+  String get exceptionName => 'ExistSendingEmailHiveObject';
+}