[iOS] Entering PIP when watching trailer flashes smaller sized image/frame for a brief second
<rdar://problem/109437836>
Pull request: https://github.com/WebKit/WebKit/pull/14109
Committed 264306@main (213b31adaa58): <https://commits.webkit.org/264306@main> Reviewed commits have been landed. Closing PR #14109 and removing active labels.