iterate_on_channels: continue instead of returning if a channel doesn't match
iterate_on_channels: continue instead of returning if a channel doesn't match

We are iterating on channels so we should check the remaining channels...

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