* first pass implementation
* remove screenrecord shortcut hint
* refactor
* fix: prevent mirror review of screen recording
* feat: allow recording with webcam overlay
* fix: review screen recording without clipped content
* tidy keyboard hints consistent position
* refactor: re-use one component for screen picker
huddles and screen clips use same picker component now. We had to make
sure that tailwind works for both of them.
* fix: improve visibility of keyboard hints
During compose video or screen recording, the keyboard hints were
invisible if the content was super bright.
