After https://bugs.webkit.org/show_bug.cgi?id=232486 we no longer need the isAppInitiated value on _WKSessionState. It will be set automatically when session state is retrieved.
Created attachment 443033 [details] Patch
<rdar://problem/84906010>
Comment on attachment 443033 [details] Patch Thank you for cleaning this up!
Committed r285163 (243799@main): <https://commits.webkit.org/243799@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 443033 [details].