"UI Toolkit" window in the "Project Settings" misses right side margin

Steps to reproduce:

1. Create a project
2. Go to "Edit" -> "Project Settings"
3. Find and select the "UI Toolkit" item
4. Observe the right side of the window

Actual Result: No right side margin. Added screenshot in the "Attachments" section.

Expected Result: Margin should be. A window should be consistent with other ones.

 

Reproducible with:  2021.3.30f1, 2022.3.10f1, 2023.1.11f1, 2023.2.0b9, 2023.3.0a5