Only forward events to compositor if on active VT
Only forward events to compositor if on active VT

Previously, we'd send things like the user's password
to the active irc window when they logged into a getty
running on a different tty.

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