detail refactor

lib/view_models/tender_detail_view_model.dart

@@ -121,6 +121,7 @@ class TenderDetailViewModel with ChangeNotifier {
     final result = await _tendersRepository.getTenderApprovals(
       tenderId: tenderId,
     );
+    approvalStatus = false;
     switch (result) {
       case Ok<TenderApprovalsByIdResponse>():
         _tenderApprovalData = result.value.data;