[native] Fix blinking overlay background
Summary: issue: ENG-9058
Test Plan:
Please see the video:
(this is with a sleep(2000) in the nux handler, because otherwise the tip gets dismissed for some reason. Created https://linear.app/comm/issue/ENG-9085/fix-tip-getting-dismissed to track
Reviewers: tomek, will
Reviewed By: tomek
Subscribers: ashoat
Differential Revision: https://phab.comm.dev/D13136