TF-3025 Avoid search results being reloaded when performing certain actions read/star/...

lib/features/thread/domain/state/search_email_state.dart

@@ -4,6 +4,8 @@ import 'package:model/email/presentation_email.dart';
 
 class SearchingState extends LoadingState {}
 
+class RefreshingSearchState extends LoadingState {}
+
 class SearchEmailSuccess extends UIState {
   final List<PresentationEmail> emailList;
 

lib/features/thread/domain/usecases/search_email_interactor.dart

@@ -26,10 +26,15 @@ class SearchEmailInteractor {
       Set<Comparator>? sort,
       Filter? filter,
       Properties? properties,
+      bool isRefreshChange = false,
     }
   ) async* {
     try {
-      yield Right(SearchingState());
+      if (isRefreshChange) {
+        yield Right(RefreshingSearchState());
+      } else {
+        yield Right(SearchingState());
+      }
 
       final emailList = await threadRepository.searchEmails(
         session,