Remove notifications from notification list when notification gets closed. Currently, we are destroying persistent notifications when the object gets stopped which is probably not what we want.
Created attachment 456360 [details] Patch
Created attachment 456361 [details] Patch
<rdar://problem/91162430>
Created attachment 456363 [details] Patch
Committed r292262 (249160@main): <https://commits.webkit.org/249160@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 456363 [details].