Element::setIsLink() should invoke PseudoClassChangeInvalidation like done here: https://searchfox.org/wubkat/rev/d38a7723c351370fbfdf9a1a618c86625a64a344/Source/WebCore/html/ValidatedFormListedElement.cpp#255-260
<rdar://problem/116616425>
Submitted web-platform-tests pull request: https://github.com/web-platform-tests/wpt/pull/43622
Pull request: https://github.com/WebKit/WebKit/pull/21663
Committed 271919@main (1d40c072bffe): <https://commits.webkit.org/271919@main> Reviewed commits have been landed. Closing PR #21663 and removing active labels.