Make sure to start a realtime outgoing source in case it is taken to another sender
<rdar://86276497>
Created attachment 447132 [details] WIP
Created attachment 447162 [details] Patch
Committed r287067 (245262@main): <https://commits.webkit.org/245262@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 447162 [details].
*** Bug 230752 has been marked as a duplicate of this bug. ***