fix: add null check for oldNode in GameEditor

laske185 · tebjan · commit 2ba62dcdebc1 · 2025-07-30T19:59:07.000+02:00
- Added a null check for `oldNode` before invoking `visitor.Visit(oldNode)`.
- This change prevents potential null reference exceptions during execution.
diff --git a/sources/editor/Stride.Assets.Presentation/AssetEditors/GameEditor/ViewModels/GameEditorChangePropagator.cs b/sources/editor/Stride.Assets.Presentation/AssetEditors/GameEditor/ViewModels/GameEditorChangePropagator.cs
@@ -201,7 +201,11 @@ await Editor.Controller.InvokeTask(async () =>
                                     if (gameSideNode != null)
                                         removedNodes.Add(gameSideNode);
                                 };
-                                visitor.Visit(oldNode);
+
+                                if (oldNode != null)
+                                {
+                                    visitor.Visit(oldNode);
+                                }
 
                                 await Editor.Controller.InvokeTask(async () =>
                                 {
