fix: Write legacy data *after* cleaning binary blobs.

Author: freezy

VisualPinball.Unity/VisualPinball.Unity.Editor/Import/VpxSceneConverter.cs

@@ -148,10 +148,11 @@ public GameObject Convert(bool applyPatch = true, string tableName = null)
 			ExtractTextures();
 			ExtractSounds();
 			SaveData();
-			SaveLegacyData();
 
 			var prefabLookup = InstantiateGameItems();
 			var componentLookup = UpdateGameItems(prefabLookup);
+
+			SaveLegacyData(); // now we freed the binary data, write the remaining game items.
 			FinalizeGameItems(componentLookup);
 
 			FreeTextures();