How to reproduce:
1. Open a new project
2. Observe the Editor tabs like “Hierarchy” or “Game”
Expected result: The tabs are as long as their name
Actual result: The tabs have a big empty space after their name
Reproducible with: 6000.0.13f1, 6000.0.50f1, 6000.1.6f1, 6000.2.0b4
Not reproducible with: 2021.3.52f1, 2022.3.63f1, 6000.0.12f1
Reproducible on: macOS 15.5.0 (M1 Max), Windows 10
Not reproducible on: no other environments tested