Notification links handling (from Talk app)

[Antreesy]

Feature comes with nextcloud/spreed#10724

notification.link is ended with /call/{token} , which simply opens a chat in web
notification.actions[0].link (possible "Join call" action") is ended with /call/{token}#direct-call, which should open a chat and show Media Setting dialog

Button Join call from first screenshot leads to correct link with #direct-call:

But Join call from second one does not and just opens the chat:

Originally posted by @Antreesy in nextcloud/spreed#10724 (comment)