AXIsActiveDescendantOfFocusedContainer is exposed by the AccessibilityObjectWrapperMac but not used
<rdar://problem/99216969>
Created attachment 461912 [details] Patch
Created attachment 461924 [details] Patch
Commit message contains (OOPS!) and no reviewer found, blocking PR #None
Created attachment 461934 [details] Patch
Committed 253874@main (94ae1c14f4c9): <https://commits.webkit.org/253874@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 461934 [details].