Fixed loading bug in notification mobile

lib/view_models/notification_view_model.dart

@@ -39,9 +39,16 @@ class NotificationViewModel with ChangeNotifier {
       _unreadNotificationResponse;
   bool get isUnreadLoading => _isUnreadLoading;
 
+  bool _isMoreLoading = false;
+  bool get isMoreLoading => _isMoreLoading;
+
   /// Fetch notifications
   Future<void> getNotifications({int page = 1, bool isMobile = false}) async {
-    _isLoading = true;
+    if (isMobile && page > 1) {
+      _isMoreLoading = true; // 👈 لودینگ فقط برای پیج بعدی
+    } else {
+      _isLoading = true; // 👈 لودینگ عادی (اولین بار یا رفرش)
+    }
     notifyListeners();
 
     final int offset = _pageSize * page;
@@ -80,6 +87,7 @@ class NotificationViewModel with ChangeNotifier {
     }
 
     _isLoading = false;
+    _isMoreLoading = false;
     notifyListeners();
   }
 
@@ -107,7 +115,9 @@ class NotificationViewModel with ChangeNotifier {
       case Ok<Map<String, dynamic>>():
         final response = result.value;
         final success = response['success'] as bool? ?? false;
-        final message = response['message'] as String? ?? NotificationStrings.unknownResponse;
+        final message =
+            response['message'] as String? ??
+            NotificationStrings.unknownResponse;
 
         if (success) {
           if (_notificationResponseModel?.data?.notifications != null) {

lib/views/notification/pages/m_notification_page.dart

@@ -112,7 +112,17 @@ class _MobileNotificationPageState extends State<MobileNotificationPage>
                   ],
                 ),
               ),
-          if (viewModel.isLoading) ...[
+          if (viewModel.isMoreLoading) ...[
+            const Padding(
+              padding: EdgeInsets.symmetric(vertical: 16),
+              child: Center(
+                child: CircularProgressIndicator(color: AppColors.secondary50),
+              ),
+            ),
+          ],
+          if (viewModel.isLoading &&
+              (viewModel.notificationResponse?.data?.notifications?.isEmpty ??
+                  true)) ...[
             const Spacer(),
             const Center(
               child: CircularProgressIndicator(color: AppColors.secondary50),