chat-window: don't present chat if notification has been dismissed
chat-window: don't present chat if notification has been dismissed

Clicking on a notification mean 'please go away'. If user wants to approve the
action he has to click on the 'Reply' button.

This code was broken anyway so we don't change the current behaviour.

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