i tried the solution in this post and it just says undifined and does nothing
https://textadventures.co.uk/forum/quest/topic/fzkdggdo1ucy46rssxbvaa/help-i-switched-to-full-screen-solved#2b810f9e-716b-4629-834a-b4d5c7347f59

Hello.

I just tested this in the Quest 5.8 desktop player:

Press F9 to open the HTML tools.

Switch to the Console tab.

Paste this and press enter: $("#cmdExitFullScreen").click()