tp_chat_check_if_ready: deal with password protected room
tp_chat_check_if_ready: deal with password protected room

The TpChat is not ready if we are fetching the password flags.
But once it's fetched, the chat is ready if it's protected as we won't
be able to get the members of the room.

Distrotech/telepathy-account-widgets,Distrotech/telepathy-account-widgets,GNOME/telepathy-account-widgets,GNOME/telepathy-account-widgets,GNOME/telepathy-account-widgets