🐛 [Bug]: Modal组件移动位置后滚动条失效

[Aklscc]

Version

latest

Vue Version

latest

Link to minimal reproduction

https://opentiny.design/vue-playground?cmpId=modal&fileName=lock-scroll.vue&apiMode=Composition&mode=pc&theme=smb

Step to reproduce

1. Modal的内容超出当前页面
2. Modal的顶部出现移动箭头，单击一下，会出现如下问题

• Modal自动跳转到底部
• Modal的滚动条被自动锁住

What is expected

Modal正常被操作

What is actually happening

1. Modal的内容超出当前页面
2. Modal的顶部出现移动箭头，单击一下，会出现如下问题

• Modal自动跳转到底部
• Modal的滚动条被自动锁住

What is your project name

https://opentiny.design/vue-playground?cmpId=modal&fileName=lock-scroll.vue&apiMode=Composition&mode=pc&theme=smb

Any additional comments (optional)

No response

[Issues-translate-bot]

Bot detected the issue body's language is not English, translate it automatically.

---

Title: 🐛 [Bug]: The scroll bar fails after the Modal component moves its position