Rebaseline COOP / COEP WPT tests, including the skipped ones, in preparation for reporting support.
Pull request: https://github.com/WebKit/WebKit/pull/4115
Committed 254262@main (1cdf25a3ac14): <https://commits.webkit.org/254262@main> Reviewed commits have been landed. Closing PR #4115 and removing active labels.
<rdar://problem/99683731>