MR Multiplayer Tabletop Template welcome screen has an offset "X" button

Package: Tutorial Framework

4.1.X

This is a default Unity pop up window. The About Window from Unity for example have the same top bar.

How to reproduce:
1. Create a new MR Multiplayer Tabletop Template project
2. Observe the "x" button on the welcome screen

Expected results: The button is alligned
Actual results: The button is located with an offset

Reproducible with: 6000.1.0b12

Reproducible on: Windows 11 Pro
Not reproducible on: No other environment tested