refactor(sentry): standardize exceptions to prevent Sentry minification

lib/features/upload/domain/exceptions/pick_file_exception.dart

@@ -1 +1,8 @@
-class PickFileCanceledException implements Exception {}
+import 'package:core/domain/exceptions/app_base_exception.dart';
+
+class PickFileCanceledException extends AppBaseException {
+  PickFileCanceledException([super.message]);
+
+  @override
+  String get exceptionName => 'PickFileCanceledException';
+}

lib/features/upload/domain/exceptions/upload_exception.dart

@@ -1 +1,8 @@
-class DataResponseIsNullException implements Exception {}
+import 'package:core/domain/exceptions/app_base_exception.dart';
+
+class DataResponseIsNullException extends AppBaseException {
+  DataResponseIsNullException([super.message]);
+
+  @override
+  String get exceptionName => 'DataResponseIsNullException';
+}