Steps to reproduce:

1) Download attached project and open in Unity
2) Go to Player Settings
3) Click on the arrow to expand any of the settings
Result: settings menu will not expand

Expected result: Player Settings should expand once clicked on the arrow (check attached video "expected.mp4")
Actual result: Player Settings don't expand (check attached video "actual.mp4")

Reproduced with:
2020.2.0a6, 2020.2.0a7

Not reproduced with:
2020.2.0a5

Regression since:
2020.2.0a6