Multiplayer Play Mode opens Player window in the opposite Theme than selected after Editor Theme is changed

Steps to reproduce:
1. Create a new project and install Multiplayer Play Mode package
2. Change Editor Theme to the opposite one (e.g. Dark) (Unity > Settings… > General)
3. Open Multiplayer Play Mode window (Window > Multiplayer > Multiplayer Play Mode)
4. Enable any of the Players and observe newly opened Player window

Actual results: Player window is in Light Theme
Expected results: Player window is in Dark Theme

Reproducible with versions: 1.5.0 (6000.3.0a2), 1.6.0 (6000.0.53f1, 6000.1.12f1, 6000.2.0b10, 6000.3.0a2)
Not reproducible with versions: 2021.3.54f1, 2022.3.64f1 (No Multiplayer Play Mode package)

Tested on (OS): macOS Sequoia 15.4 (M4)