Steps to reproduce:
1. Open the attached project
2. Select the material in the Assets folder named "New Material_1970_1970_1970_1970_1970"
3. Click the "Material Hierarchy Popup" button in the Inspector window
4. Observe the Material name at the top of the popup window
Actual results: Longer material names are cut off
Expected results: The field for the Material name has the overflow setting to showcase the whole name
Reproducible with versions: 2022.3.34f1, 6000.0.7f1
Can’t test with versions: 2021.3.39f1
Tested on (OS): macOS 14.5, Ubuntu 24