changed messages to toast

lib/views/tenders/pages/m_tenders_page.dart

@@ -5,6 +5,7 @@ import 'package:tm_app/view_models/tenders_view_model.dart';
 
 import '../../../core/constants/common_strings.dart';
 import '../../../core/theme/colors.dart';
+import '../../../core/utils/app_toast.dart';
 import '../../shared/tender_app_bar.dart';
 import '../strings/tenders_strings.dart';
 import '../widgets/main_tenders_slider.dart';
@@ -27,20 +28,10 @@ class _MobileTendersPageState extends State<MobileTendersPage> {
 
   void _viewModelListener() {
     if (viewModel.feedbackErrorMessage != null) {
-      ScaffoldMessenger.of(context).showSnackBar(
-        SnackBar(
-          backgroundColor: AppColors.error,
-          content: Text(viewModel.feedbackErrorMessage!),
-        ),
-      );
+      AppToast.error(context, viewModel.feedbackErrorMessage!);
     }
     if (viewModel.tenderApprovalErrorMessage != null) {
-      ScaffoldMessenger.of(context).showSnackBar(
-        SnackBar(
-          backgroundColor: AppColors.error,
-          content: Text(viewModel.tenderApprovalErrorMessage!),
-        ),
-      );
+      AppToast.error(context, viewModel.tenderApprovalErrorMessage!);
     }
   }