Potential UIProcess hang under WebsiteDataStore::removeDataStoreWithIdentifier().
<rdar://128537723>
Pull request: https://github.com/WebKit/WebKit/pull/29060
Committed 279286@main (a7729f2954c9): <https://commits.webkit.org/279286@main> Reviewed commits have been landed. Closing PR #29060 and removing active labels.