See https://github.com/w3c/csswg-drafts/issues/9639
<rdar://problem/121094366>
Pull request: https://github.com/WebKit/WebKit/pull/22850
Submitted web-platform-tests pull request: https://github.com/web-platform-tests/wpt/pull/44035
Committed 273118@main (3586fe08ab06): <https://commits.webkit.org/273118@main> Reviewed commits have been landed. Closing PR #22850 and removing active labels.