Update model

Elwig/Windows/MemberAdminWindow.xaml.cs

@@ -36,7 +36,7 @@ namespace Elwig.Windows {
         private void Window_Loaded(object sender, RoutedEventArgs evt) {
             ActiveMemberInput.IsChecked = true;
             BranchInput.ItemsSource = Context.Branches.OrderBy(b => b.Name).ToList();
-            DefaultKgInput.ItemsSource = Context.WbKgs.Select(k => k.Kg).OrderBy(k => k.Name).ToList();
+            DefaultKgInput.ItemsSource = Context.WbKgs.Select(k => k.AtKg).OrderBy(k => k.Name).ToList();
         }
 
         private async Task RefreshMemberList() {