TF-2771 Fix show list email when user changed filter or sort order on iOS

lib/features/search/email/presentation/search_email_controller.dart

@@ -189,11 +189,7 @@ class SearchEmailController extends BaseController
   }
 
   void _initializeTextInputFocus() {
-    textInputSearchFocus.addListener(() {
-      if (textInputSearchFocus.hasFocus) {
-        searchIsRunning.value = false;
-      }
-    });
+    textInputSearchFocus.addListener(_onSearchTextInputListener);
   }
 
   void _initWorkerListener() {
@@ -235,6 +231,12 @@ class SearchEmailController extends BaseController
     );
   }
 
+  void _onSearchTextInputListener() {
+    if (textInputSearchFocus.hasFocus) {
+      searchIsRunning.value = false;
+    }
+  }
+
   void _refreshEmailChanges() {
     if (searchIsRunning.isTrue && session != null && accountId != null) {
       final limit = listResultSearch.isNotEmpty
@@ -308,6 +310,7 @@ class SearchEmailController extends BaseController
 
   void _searchEmailAction(BuildContext context) {
     KeyboardUtils.hideKeyboard(context);
+    textInputSearchFocus.unfocus();
 
     if (session != null && accountId != null) {
       canSearchMore = true;
@@ -888,7 +891,9 @@ class SearchEmailController extends BaseController
 
   @override
   void onClose() {
+    textInputSearchFocus.removeListener(_onSearchTextInputListener);
     textInputSearchController.dispose();
+    textInputSearchFocus.dispose();
     resultSearchScrollController.dispose();
     _deBouncerTime.cancel();
     dashBoardViewStateWorker.dispose();