Re-import html/semantics/interactive-elements/the-dialog-element WPT tests
Pull request: https://github.com/WebKit/WebKit/pull/25042
Committed 275283@main (bb7f816988c6): <https://commits.webkit.org/275283@main> Reviewed commits have been landed. Closing PR #25042 and removing active labels.
<rdar://problem/123564186>