We can access those attributes directly instead of going through the hashmap property registry
<rdar://problem/127085305>
Pull request: https://github.com/WebKit/WebKit/pull/27780
Pull request: https://github.com/WebKit/WebKit/pull/29020
Committed 279304@main (ce1ed5b53fe6): <https://commits.webkit.org/279304@main> Reviewed commits have been landed. Closing PR #29020 and removing active labels.