wlr_scene: Damage scene on node destroy by disabling node

This removes one trivial call of scene_node_damage_whole. It's easier
to disable the node later than it is to do the damage dance later.

types/scene/wlr_scene.c

@@ -79,13 +79,13 @@ void wlr_scene_node_destroy(struct wlr_scene_node *node) {
 		return;
 	}
 
-	scene_node_damage_whole(node);
-
 	// We want to call the destroy listeners before we do anything else
 	// in case the destroy signal would like to remove children before they
 	// are recursively destroyed.
 	wlr_signal_emit_safe(&node->events.destroy, NULL);
 
+	wlr_scene_node_set_enabled(node, false);
+
 	struct wlr_scene *scene = scene_node_get_root(node);
 	if (node->type == WLR_SCENE_NODE_BUFFER) {
 		struct wlr_scene_buffer *scene_buffer = wlr_scene_buffer_from_node(node);