3D Editor and asset thumbnails don't update after overwriting the existing asset

Steps for testing:

1. Create a new project
2. Import Quick3D
3. Import the attached asset "Car.fbx"
4. Add car by dragging and dropping it from the item library to the 3D Editor -> Correct thumbnails are seen in the item library and in the navigator and a correct model in the 3D Editor
5. Rename the attached asset "Box.FBX" to "Car.fbx"
6. Import it and choose to overwrite the existing asset
7. Dialog opens asking if user wants to reload the changed qml file -> choose yes
8. ->In the item library and in the navigator thumbnails have not changed
9. -> Previous car model is visible in the 3D Editor
10. Click the "Reset view" button to refresh the 3D Editor -> model is updated, thumbnails are not