data-device: Clear drag focus when we end the drag-and-drop
data-device: Clear drag focus when we end the drag-and-drop

Otherwise we'll see a spurious leave event when we start the next dnd.

abooij/wayland,tulcod/wayland,bitfactor/wayland,mchalupa/wayland,bitfactor/wayland,tulcod/wayland,eyolfson/wayland,eyolfson/wayland,sir-murray/wayland,abooij/wayland,sir-murray/wayland,bitfactor/wayland,abooij/wayland,mchalupa/wayland,tulcod/wayland,mchalupa/wayland,eyolfson/wayland,sir-murray/wayland