REGRESSION(260575@main) [GPUP] Video disappears during playback with UI-Side compositing enabled
<rdar://problem/105835986>
Pull request: https://github.com/WebKit/WebKit/pull/10602
Committed 260774@main (b72881d351bc): <https://commits.webkit.org/260774@main> Reviewed commits have been landed. Closing PR #10602 and removing active labels.
*** Bug 252695 has been marked as a duplicate of this bug. ***