This can lead to odd failures in safaridriver where a previously "Terminated" automation target is revived as ready to be used by a new safaridriver session even though it is about to be terminated.
<rdar://problem/93430106>
Pull request: https://github.com/WebKit/WebKit/pull/679
Committed r294361 (250664@main): <https://commits.webkit.org/250664@main> Reviewed commits have been landed. Closing PR #679 and removing active labels.