wayland: Only process enter and leave events Clutter created surfaces
wayland: Only process enter and leave events Clutter created surfaces

When combining with GTK we will receive enter and leave events for surfaces
from both toolkits therefore we must filter our events appropriately.

GNOME/clutter,ebassi/clutter,ebassi/clutter,ebassi/clutter,djdeath/clutter,Distrotech/clutter,GNOME/clutter,jigpu/clutter,GNOME/clutter,ebassi/clutter,djdeath/clutter,jigpu/clutter,jigpu/clutter,GNOME/clutter,djdeath/clutter,jigpu/clutter,Distrotech/clutter,djdeath/clutter,ebassi/clutter,Distrotech/clutter,Distrotech/clutter,djdeath/clutter,Distrotech/clutter,jigpu/clutter,jigpu/clutter,djdeath/clutter,GNOME/clutter,Distrotech/clutter