forgot visibility of floating containers

sway/container.c

@@ -603,12 +603,20 @@ void update_visibility_output(swayc_t *container, wlc_handle output) {
 		}
 	}
 	// Update visibility for children
-	else if (container->children) {
+	else {
+		if (container->children) {
 			int i, len = container->children->length;
 			for (i = 0; i < len; ++i) {
 				update_visibility_output(container->children->items[i], output);
 			}
 		}
+		if (container->floating) {
+			int i, len = container->floating->length;
+			for (i = 0; i < len; ++i) {
+				update_visibility_output(container->floating->items[i], output);
+			}
+		}
+	}
 }
 
 void update_visibility(swayc_t *container) {