We're unintentionally leaving the fullscreen flag in this case even though we've exited fullscreen.
rdar://105713729
Pull request: https://github.com/WebKit/WebKit/pull/10834
Submitted web-platform-tests pull request: https://github.com/web-platform-tests/wpt/pull/38755
Committed 260985@main (d8b353380562): <https://commits.webkit.org/260985@main> Reviewed commits have been landed. Closing PR #10834 and removing active labels.