[Bug] PromptEditorWithVariables组件值改变不会动态更新内容

## 🙋 SDK Version
lastest

## 📌 Layout
Free layout

## 💻 Environment
- Operation System: (e.g. Windows 11 / macOs 14.3)
- Node.js:
- Other:

## 📝 Question Description
1. PromptEditorWithVariables组件值改变不会动态更新内容
<img width="826" height="458" alt="Image" src="https://github.com/user-attachments/assets/de3f40e3-e5fd-4dcc-9aec-6f1264318405" />
2. 应该是@coze-editor/editor内部没有做更新