Update model

Elwig/Windows/AreaComAdminWindow.xaml.cs

@@ -33,7 +33,7 @@ namespace Elwig.Windows {
 
         private async void Window_Loaded(object sender, RoutedEventArgs e) {
             await RefreshContractList();
-            KgInput.ItemsSource = Context.WbKgs.Select(k => k.Kg).OrderBy(k => k.Name).ToList();
+            KgInput.ItemsSource = Context.WbKgs.Select(k => k.AtKg).OrderBy(k => k.Name).ToList();
             SortInput.ItemsSource = Context.WineVarieties.OrderBy(s => s.Name).ToList();
             AttrInput.ItemsSource = Context.WineAttributes.OrderBy(a => a.Name).ToList();
             CultInput.ItemsSource = Context.WineCultivations.OrderBy(c => c.Name).ToList();