removed hardcoded status feedback and submission mode

lib/view_models/tender_detail_view_model.dart

@@ -5,6 +5,7 @@ import 'package:tm_app/data/repositories/tenders_repository.dart';
 import 'package:tm_app/data/services/model/tender_data/tender_data.dart';
 import 'package:tm_app/data/services/model/tender_detail_response/tender_detail_response_model.dart';
 
+import '../core/constants/tender_approval_status.dart';
 import '../data/services/model/tender_approvals_by_id_response/tender_approvals_by_id_response.dart';
 import '../data/services/model/tender_approvals_data/tender_approvals_data.dart';
 import '../data/services/model/tender_approvals_toggle_response/tender_approvals_toggle_response.dart';
@@ -73,7 +74,7 @@ class TenderDetailViewModel with ChangeNotifier {
     notifyListeners();
     final result = await _tendersRepository.toggleApprovals(
       tenderId: tenderId,
-      status: 'submitted',
+      status: TenderApprovalStatus.submitted.value,
       submissionMode: submissionMode,
     );
     switch (result) {
@@ -102,7 +103,7 @@ class TenderDetailViewModel with ChangeNotifier {
     notifyListeners();
     final result = await _tendersRepository.toggleApprovals(
       tenderId: tenderId,
-      status: 'rejected',
+      status: TenderApprovalStatus.rejected.value,
       submissionMode: submissionMode,
     );
     switch (result) {