Root Motion Node option does not revert when changing the selection and clicking "Revert" in Inspector

Steps to reproduce:

1. Create a new project using Universal 3D template
2. Import the attached "model.fbx"
3. Select the imported model
4. In the Inspector, navigate to the "Animation" tab
5. Expand the "Motion" foldout and find the "Root Motion Node" property
6. Select any other option in the dropdown
7. Click Revert
8. Observe the Inspector

Actual results: the selected dropdown option remains selected

Expected results: the dropdown option is reverted to the previous option (<None>)

Reproducible with versions: 6000.0.67f1, 6000.3.7f1, 6000.4.0b7, 6000.5.0a6

Tested on (OS): Windows 11