[chore:] if it happens it happens

Wiki/EditorWindow.axaml.cs

@@ -52,7 +52,11 @@ public partial class EditorWindow : Window
     {
         var result = await MessageBox.Show(null, "Sicher?", "Sicher?", MessageBoxButton.YesNo);
         if (result == MessageBoxResult.No) return;
-        File.Delete(filename);
+        try
+        {
+            File.Delete(filename);
+        } catch {}
+        
         MainWindow._instance.PopulateNavTree();
         Close();
     }