ContextWindow: Use EnsureContextRenewed() correctly

Elwig/Windows/DeliveryAncmtAdminWindow.xaml.cs

@@ -374,8 +374,7 @@ namespace Elwig.Windows {
             LockInputs();
             ViewModel.EnableSearchInputs = true;
             FinishInputFilling();
-            await RefreshList();
-            RefreshInputs();
+            await EnsureContextRenewed();
             ViewModel.SearchQuery = "";
             ControlUtils.SelectItemWithPk(DeliveryScheduleList, year, dsnr);
             if (sortid != null)