Tab + X Full-screen view won't stay since recent update

Briefly describe (1-2 sentences) the Bug you’re experiencing: While working in task full-sreen mode, going into and out of subtasks removes full-screen mode entirely, making for a detrimental UX while tasking up work. See screencast for example: https://a.cl.ly/2Nu5e7QN

Steps to reproduce: see screencast

Browser version: Version 83.0.4103.116

Upload screenshots below: https://a.cl.ly/2Nu5e7QN

2 posts were merged into an existing topic: Tab + X Full-screen view won’t stay since recent update