Update find UI when ImageAnalysisQueue empties
<rdar://problem/97396153>
Pull request: https://github.com/WebKit/WebKit/pull/2675
Committed 253244@main (ce5226e9d214): <https://commits.webkit.org/253244@main> Reviewed commits have been landed. Closing PR #2675 and removing active labels.
Re-opening for pull request https://github.com/WebKit/WebKit/pull/3133
Committed 253251@main (48127cd67cc9): <https://commits.webkit.org/253251@main> Reviewed commits have been landed. Closing PR #3133 and removing active labels.