fix: xime popup window shouldn't below fullscreen layer

src/maomao.c

@@ -4877,7 +4877,7 @@ mapnotify(struct wl_listener *listener, void *data) {
 	/* Handle unmanaged clients first so we can return prior create borders */
 	if (client_is_unmanaged(c)) {
 		/* Unmanaged clients always are floating */
-		wlr_scene_node_reparent(&c->scene->node, layers[LyrFloat]);
+		wlr_scene_node_reparent(&c->scene->node, layers[LyrFS]);
 		wlr_scene_node_set_position(&c->scene->node, c->geom.x, c->geom.y);
 		if (client_wants_focus(c)) {
 			focusclient(c, 1);