Holding tab button will not keep menu open

KoGaMa Username (Optional): CaptainJens
Web Browser: Chrome
Client: Standalone
AboutMyBrowser.com Link: aboutmybrowser.com/RRX2qhjs

Steps to Reproduce
1. Go in a game (or project and enter play mode)
2. Press <k>
3. While you are in the lobby state, press <tab>
-> Notice it doesn't keep the menu open, the menu just appears for a short moment and immediately disappears again
4. Press "Play"
5. Press <m>
6. Press <tab>
-> You get the same thing you got at step 3.

Additional Information (Optional)
A video:
youtu.be/w3KrEiAca7M

Report ID: pHqu3mZH