Restore default template binding across browser sessions

核桃派软件源代码/app/static/views/templates.js

@@ -558,6 +558,10 @@ async function saveSceneAsNew({ initial = "", note = "", bind = true } = {}) {
 }
 
 async function saveSceneToCurrentTemplate(context) {
+  if (context.readOnly || context.type !== "template") {
+    announce("演示案例不得覆盖，请另存为新模板", true);
+    return;
+  }
   await mutate(async () => {
     const result = await apiJson(`/api/templates/${context.id}`, {
       method: "PUT",