Some Bugfixes

Elwig/Windows/BaseDataWindow.xaml.Branch.cs

@@ -125,6 +125,7 @@ namespace Elwig.Windows {
             if (old != null) _branches[old] = id;
             branch.ZwstId = id;
             branch.Name = BranchNameInput.Text;
+            branch.CountryNum = 40;
             branch.PostalDestId = (BranchOrtInput.SelectedItem as AT_PlzDest)?.Id;
             branch.Address = BranchAddressInput.Text;
             branch.PhoneNr = BranchPhoneNrInput.Text;