<rdar://100901068> Move the appearance toggle under the new user preferences override popover.
Created attachment 463756 [details] Screenshot with patch applied
Created attachment 463757 [details] User Preferences Test sample
Pull request: https://github.com/WebKit/WebKit/pull/7217
Committed 257744@main (963f144d283f): <https://commits.webkit.org/257744@main> Reviewed commits have been landed. Closing PR #7217 and removing active labels.