Add support for textSubImage2D of WebCodecs VideoFrame when remote layer tree is enabled
<rdar://problem/103832398>
Pull request: https://github.com/WebKit/WebKit/pull/8146
Committed 258650@main (e8cad83439f7): <https://commits.webkit.org/258650@main> Reviewed commits have been landed. Closing PR #8146 and removing active labels.