AccessibilityObject::replacedNodeNeedsCharacter should not assume it can get a AXObjectCache from the replace node
<rdar://problem/99549280>
rdar://99369899
Created attachment 462126 [details] Patch
Created attachment 462127 [details] Patch
Created attachment 462130 [details] Patch
Committed 254152@main (11414e0bbcfb): <https://commits.webkit.org/254152@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 462130 [details].