Steps to reproduce:

1. Open attached project
2. Open scene "repro"
3. In hierarchy, select "Robot Kyle"
4. Click on Avatar field to quickly be taken to Robot KyleAvatar
5. In project window, select that avatar and click "Configure avatar"
6. Once new scene for avatar configuration is loaded, click "Done" in inspector to finish configuring avatar
7. Actual result - Notice that you're not taken back to "repro" scene

Expected result: You're taken back to "repro" scene

Regression since: 5.3.0b1