Loading Meshes with assetManager shows Model for a split second

Questions
1

Hi there, i am struggling to find the reason why i am seeing the model loaded by assetManager for a splitsecond when loading the scene. Strangely it does not happen everytime, but ~75% of the loads.
the mesh which should be loaded appears on the screen for a frame or two, then disappears.
i have no idea how to further debug it, if you have any idea where my the problem could lie, please let me know. this a part of the code i use:


const CustomObjectAsset = (props: Props) => {
  const [CustomObjectMesh, setMesh] = useState<Mesh>()
  const assetManagerResult = useAssetManager(
    [
      {
        taskType: TaskType.Mesh,
        rootUrl: props.rootUrl ?? '',
        sceneFilename: props.filename,
        name: 'CustomObject',
      },
    ],
    { useDefaultLoadingScreen: false, reportProgress: true }
  )

  const CustomObjectTask = assetManagerResult.taskNameMap['CustomObject'] as MeshAssetTask

  useLayoutEffect(() => {
    if (CustomObjectTask.isCompleted) {
      const rootMesh = CustomObjectTask.loadedMeshes.find((m) => m.name === '__root__')
      const mesh = rootMesh?.getChildren()[0]

      setMesh(mesh as Mesh)
      /** dispose original meshes */
      rootMesh?.dispose(true)
      if (props.onCreated !== undefined) {
        props.onCreated([mesh] as Mesh[])
      }
    }
  }, [CustomObjectTask.isCompleted])
  /**
   * Create for each CustomObject mesh a React Mesh node and for its LOD meshes.
   */
  return (
    <transformNode name={'CustomObjects'}>
      {CustomObjectMesh && (
        <>
          <mesh
            name={CustomObjectMesh.name}
            key={'CustomObject' + CustomObjectMesh.id}
            fromInstance={CustomObjectMesh}
            isPickable={props.isPickable}
            receiveShadows={props.receiveShadows}
            setEnabled={false}
          />
        </>
      )}
    </transformNode>
  )
}

export default CustomObjectAsset

thank you so much for help!

2

What is shown in the Inspector?
Is the model still there but not visible for some reasons?