<rdar://119505126> Sometimes when hovering text entries on slack, the previous highlight isn't fully removed. Likewise, navigating between the profile page and home page on Facebook can leave remnants of the rendering of the previous page.
Pull request: https://github.com/WebKit/WebKit/pull/21653
Committed 271908@main (8c21d17d0a02): <https://commits.webkit.org/271908@main> Reviewed commits have been landed. Closing PR #21653 and removing active labels.