fix: undefined show_message

fix: invalid disable for nightly

js/custom-nodes-manager.js

@@ -4,7 +4,7 @@ import { api } from "../../scripts/api.js";
 
 import {
 	manager_instance, rebootAPI, install_via_git_url,
-	fetchData, md5, icons 
+	fetchData, md5, icons, show_message
 } from  "./common.js";
 
 // https://cenfun.github.io/turbogrid/api.html