event-manager: only display incoming messages in notification
event-manager: only display incoming messages in notification

If not, we display outgoing ones as well if the user uses Shell's message tray
to reply.

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