TF-3766 Clear input focus when open context menu in search mailbox

Signed-off-by: dab246 <tdvu@linagora.com>

lib/features/search/mailbox/presentation/search_mailbox_controller.dart

@@ -834,6 +834,10 @@ class SearchMailboxController extends BaseMailboxController with MailboxActionHa
     }
   }
 
+  void clearSearchInputFocus() {
+    FocusManager.instance.primaryFocus?.unfocus();
+  }
+
   @override
   void onClose() {
     textInputSearchController.dispose();

lib/features/search/mailbox/presentation/search_mailbox_view.dart

@@ -280,6 +280,8 @@ class SearchMailboxView extends GetWidget<SearchMailboxController>
 
       if (contextMenuActions.isEmpty) return Future.value();
 
+      controller.clearSearchInputFocus();
+
       return controller.openBottomSheetContextMenuAction(
         context: context,
         itemActions: contextMenuActions,
@@ -304,6 +306,8 @@ class SearchMailboxView extends GetWidget<SearchMailboxController>
 
       if (popupMenuActions.isEmpty) Future.value();
 
+      controller.clearSearchInputFocus();
+
       final popupMenuItems = popupMenuActions.map((menuAction) {
         return PopupMenuItem(
           padding: EdgeInsets.zero,