image: Use internal function for the texture node
image: Use internal function for the texture node

ClutterActor has a convenience function that removes the need to query
the actor's state and apply it to a ClutterTextureNode, so we should use
it.

jigpu/clutter,GNOME/clutter,GNOME/clutter,GNOME/clutter,Distrotech/clutter,Distrotech/clutter,Distrotech/clutter,Distrotech/clutter,Distrotech/clutter,GNOME/clutter,GNOME/clutter,jigpu/clutter,jigpu/clutter,jigpu/clutter,jigpu/clutter,Distrotech/clutter,jigpu/clutter