[Editor] Copy/paste processor registration order matters

Author: Kryptos-FR

sources/editor/Stride.Core.Assets.Editor/CoreAssetsEditorPlugin.cs

@@ -20,8 +20,10 @@ public override void InitializeSession(ISessionViewModel session)
     {
         if (session.ServiceProvider.TryGet<ICopyPasteService>() is { } copyPasteService)
         {
-            copyPasteService.RegisterProcessor(new AssetItemPasteProcessor(session));
+            // FIXME xplat-editor order seems to matter we could make it buggy with plugins
+            //       instead, we should have a sorting/priority mechanism similar to the template providers
             copyPasteService.RegisterProcessor(new AssetPropertyPasteProcessor());
+            copyPasteService.RegisterProcessor(new AssetItemPasteProcessor(session));
         }
     }