TF-4265 Add exclude list support to AttachmentTextDetector

lib/features/composer/presentation/manager/detection_params.dart

@@ -0,0 +1,10 @@
+import 'package:tmail_ui_user/features/composer/presentation/manager/keyword_filter.dart';
+
+/// Data Transfer Object used to package data sent to the Isolate.
+/// Since Isolates cannot share memory, we need a simple object to pass parameters.
+class DetectionParams {
+  final String text;
+  final List<KeywordFilter> filters;
+
+  DetectionParams({required this.text, required this.filters});
+}