compositor: Only call weston_surface_update_transform from repaint
compositor: Only call weston_surface_update_transform from repaint

kwm81/weston,giucam/weston,udoprog/weston,eyolfson/weston,kwm81/weston,mchalupa/weston,Fantu/compositor-spice,Gnurou/weston,sir-murray/weston,jonnylamb/weston,Tarnyko/weston-xdg_surface_present,udoprog/weston,mchalupa/weston,krezovic/weston,jonnylamb/weston,giucam/weston,Tarnyko/weston-xdg_surface_present,eyolfson/weston,xorgy/weston,Fantu/compositor-spice,Fantu/compositor-spice,krezovic/weston,xorgy/weston,sir-murray/weston,Gnurou/weston