See: `logTextInteractionAssistantSelectionChange` in `WKContentViewInteraction.mm`
Pull request: https://github.com/WebKit/WebKit/pull/15911
Committed 266145@main (026e06b1f099): <https://commits.webkit.org/266145@main> Reviewed commits have been landed. Closing PR #15911 and removing active labels.
<rdar://problem/112498298>