[WIP] Models/Entities: Remove EF proxies

Elwig/Windows/MemberAdminWindow.xaml.cs

@@ -200,7 +200,7 @@ namespace Elwig.Windows {
 
             var font = new System.Windows.Media.FontFamily("Segoe MDL2 Assets");
             MenuItem? temp = null;
-            var seasons = await ctx.Seasons.OrderByDescending(s => s.Year).ToListAsync();
+            var seasons = await ctx.Seasons.Include(s => s.PaymentVariants).OrderByDescending(s => s.Year).ToListAsync();
             Menu_DeliveryConfirmation.Items.Clear();
             foreach (var s in seasons) {
                 var i = new MenuItem {
@@ -339,6 +339,7 @@ namespace Elwig.Windows {
         }
 
         private async void ActiveMemberInput_Changed(object sender, RoutedEventArgs evt) {
+            if (!IsInitialized) return;
             await RefreshList();
         }
 
@@ -509,7 +510,9 @@ namespace Elwig.Windows {
             try {
                 await Task.Run(async () => {
                     using var doc = new Letterhead(m);
-                    await doc.Generate();
+                    using (var ctx = new AppDbContext()) {
+                        await doc.Generate(ctx);
+                    }
                     if (!App.Config.Debug) {
                         await doc.Print();
                     } else {