notificationbar: make it look sharp again
notificationbar: make it look sharp again

It seems the depth property make the renderning blurry.
I am not sure why it is needed, as I can't see an overlapped
case. Perhaps a clutter_actor_raise() instead where needed?

https://bugzilla.gnome.org/show_bug.cgi?id=674794

vbenes/gnome-boxes,vbenes/gnome-boxes