Fix inversed condition in criteria

sway/criteria.c

@@ -235,7 +235,7 @@ struct match_data {
 static void criteria_get_views_iterator(struct sway_container *container,
 		void *data) {
 	struct match_data *match_data = data;
-	if (!container->view) {
+	if (container->view) {
 		if (criteria_matches_view(match_data->criteria, container->view)) {
 			list_add(match_data->matches, container->view);
 		}