BaseDataWindow: Use Cursors.Wait instead of Cursors.AppStarting

Elwig/Windows/BaseDataWindow.xaml.Season.cs

@@ -157,7 +157,7 @@ namespace Elwig.Windows {
             }
             var d = new NewSeasonDialog(s, currencies);
             if (d.ShowDialog() == true) {
-                Mouse.OverrideCursor = Cursors.AppStarting;
+                Mouse.OverrideCursor = Cursors.Wait;
                 try {
                     using var ctx = new AppDbContext();
                     ctx.Add(new Season {
@@ -209,7 +209,7 @@ namespace Elwig.Windows {
                 $"Soll die Saison {s.Year} wirklich unwiderruflich gelöscht werden?",
                 "Saison löschen", MessageBoxButton.OKCancel, MessageBoxImage.Warning, MessageBoxResult.Cancel);
             if (r == MessageBoxResult.OK) {
-                Mouse.OverrideCursor = Cursors.AppStarting;
+                Mouse.OverrideCursor = Cursors.Wait;
                 try {
                     using var ctx = new AppDbContext();
                     ctx.Remove(s);