Steps to reproduce:
1. Open the attached “Repro” project
2. In Assets, find and select the "<asset_name>.psb" object (real asset name is mentioned in the comments)
3. Click “Window → 2D → Sprite Editor”
4. In the top-left dropdown select “Skinning Editor”
5. On the left side, click “Set Pivot”
6. In the bottom-right corner, click the dropdown
7. Observe the results

Expected result: The dropdown is opened
Actual result: The dropdown is unresponsive

Reproducible in: 2022.2.0a6, 2022.3.61f1, 6000.0.46f1, 6000.1.0b14, 6000.2.0a8
Not reproducible in: 2022.2.0a5
Couldn’t test in: 2022.1.0a1 (“Set Pivot” option did not exist)

Reproducible on: Windows 11, macOS (Silicon)
Not reproducible on: No other environment tested

Note: Clicking the top and bottom borders of the field opens the dropdown