Several properties of any given AXIsolatedObject depend on children's properties. Thus when children change, update the parent object as well.
<rdar://problem/95653062>
Created attachment 460400 [details] Patch
Committed r295727 (251732@main): <https://commits.webkit.org/251732@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 460400 [details].