TF-4056 Keep in search when user clear text to search with current filter

core/lib/presentation/extensions/string_extension.dart

@@ -98,4 +98,6 @@ extension StringExtension on String {
       return 0;
     }
   }
+
+  String get trimmed => trim();
 }

lib/features/mailbox/presentation/mailbox_controller.dart

@@ -262,12 +262,6 @@ class MailboxController extends BaseMailboxController
       _handleNavigationRouteParameters
     );
 
-    ever(mailboxDashBoardController.dashBoardAction, (action) {
-      if (action is ClearSearchEmailAction) {
-        _switchBackToMailboxDefault();
-      }
-    });
-
     ever(mailboxDashBoardController.mailboxUIAction, (action) {
       if (action is SelectMailboxDefaultAction) {
         _switchBackToMailboxDefault();

lib/features/mailbox_dashboard/presentation/action/dashboard_action.dart

@@ -58,8 +58,6 @@ class StartSearchEmailAction extends DashBoardAction {}
 
 class EmptyTrashAction extends DashBoardAction {}
 
-class ClearSearchEmailAction extends DashBoardAction {}
-
 class ClearAllFieldOfAdvancedSearchAction extends DashBoardAction {}
 
 class OpenEmailInsideMailboxFromLocationBar extends DashBoardAction {

lib/features/mailbox_dashboard/presentation/controller/mailbox_dashboard_controller.dart

@@ -998,11 +998,6 @@ class MailboxDashBoardController extends ReloadableController
       && dashboardRoute.value == DashboardRoutes.threadDetailed;
   }
 
-  void clearSearchEmail() {
-    dispatchAction(ClearSearchEmailAction());
-    searchController.disableSimpleSearch();
-  }
-
   void _unSelectedMailbox() {
     selectedMailbox.value = null;
   }

lib/features/mailbox_dashboard/presentation/controller/search_controller.dart

@@ -231,13 +231,6 @@ class SearchController extends BaseController with DateRangePickerMixin {
     searchState.value = searchState.value.enableSearchState();
   }
 
-  void disableSimpleSearch() {
-    updateFilterEmail(textOption: Some(SearchQuery.initial()));
-    _clearAllTextInputSimpleSearch();
-    deactivateSimpleSearch();
-    hideSimpleSearchFormView();
-  }
-
   void clearTextSearch() {
     searchInputController.clear();
     searchFocus.requestFocus();

lib/features/mailbox_dashboard/presentation/widgets/search_input_form_widget.dart

@@ -1,5 +1,6 @@
 
 import 'package:core/presentation/extensions/color_extension.dart';
+import 'package:core/presentation/extensions/string_extension.dart';
 import 'package:core/presentation/resources/image_paths.dart';
 import 'package:core/presentation/utils/responsive_utils.dart';
 import 'package:core/presentation/utils/theme_utils.dart';
@@ -160,21 +161,22 @@ class SearchInputFormWidget extends StatelessWidget with AppLoaderMixin {
 
   void _invokeSearchEmailAction(String queryString) {
     log('SearchInputFormWidget::_invokeSearchEmailAction:QueryString = $queryString');
+    final trimmedQueryString = queryString.trimmed;
+
     _searchController.searchFocus.unfocus();
     _searchController.enableSearch();
 
-    if (queryString.isNotEmpty) {
-      _saveRecentSearch(queryString);
+    if (trimmedQueryString.isNotEmpty) {
+      _saveRecentSearch(trimmedQueryString);
     }
 
-    if (queryString.isNotEmpty || _searchController.listFilterOnSuggestionForm.isNotEmpty) {
+    if (_searchController.listFilterOnSuggestionForm.isNotEmpty) {
       _searchController.applyFilterSuggestionToSearchFilter(
         _dashBoardController.ownEmailAddress.value,
       );
-      _dashBoardController.searchEmailByQueryString(queryString);
-    } else {
-      _dashBoardController.clearSearchEmail();
     }
+
+    _dashBoardController.searchEmailByQueryString(trimmedQueryString);
   }
 
   void _saveRecentSearch(String queryString) {
@@ -189,7 +191,7 @@ class SearchInputFormWidget extends StatelessWidget with AppLoaderMixin {
     _searchController.saveRecentSearch(
       accountId,
       userName,
-      RecentSearch.now(queryString),
+      RecentSearch.now(queryString.trimmed),
     );
   }