“X” button of Save Window Preset is very small

Reproduction steps:
1. Create a new project
2. Open Overlay Menu by clicking on Scene window kebab menu (Overlays > Overlay Menu)
3. Click on dropdown selection and select “Save Preset…”
4. Observe “X” button of the Save Window Preset window

Actual result: “X” button is small
Expected result: “X” button is normal sized

Reproducible with: 2021.3.55f1, 2022.3.66f1, 6000.0.56f1, 6000.1.16f1, 6000.2.3f1
Not reproducible with:  6000.3.0a6

Reproduced on: Windows 11
Not reproduced on: macOS Sequoia 15.6 (Intel)