Update assets in RuntimeHost before loading scene

tests/unit/runtime-host.test.ts

@@ -154,6 +154,14 @@ describe("RuntimeHost", () => {
     const host = new RuntimeHost({
       enableRendering: false
     });
+    host.updateAssets(
+      document.assets,
+      {
+        [asset.id]: loadedAsset
+      },
+      {},
+      {}
+    );
     host.loadScene(runtimeScene);
 
     const disableEffect = createSetLightEnabledControlEffect({