How to reproduce:
1. Create a new Unity project
2. Go to Window -> Package Management -> Package Manager -> Unity Registry -> ECS -> Install
3. Go to Window -> Entities -> Systems
4. Enter the Play Mode
5. Observe the text inside the Columns
Expected results: All columns have the same text justification
Actual results: "Systems" column has a centered text while other columns have the left alignment
Reproducible with: 6000.0.66f1, 6000.4.0b5, 6000.5.0a5
Reproducible on: macOS Tahoe 26 (M1)
Not reproducible on: No other environment tested