🐛 [BUG]g2plot 折线图，实时更新数据渲染不正确

### 🐛 Bug description [Please make everyone to understand it]

> Please provide a link by forking these links [G2Plot](https://codesandbox.io/s/g2plot-issue-template-gzfdq?file=/index.ts) or GitHub repo, a minimal reproduction.

* _Required_ **Link to minimal reproduction**:

### 📷 Step to reproduce

### 🏞 Expected result
[Document.webm](https://github.com/antvis/G2Plot/assets/87469737/d3c2ba09-a8c4-4099-908c-8ed51470b2da)

### 🚑 Any additional [like screenshots]

* **G2Plot Version**:
* **Platform**:

No minimal reproduction, reproduction steps, affected files, version, or platform are provided. Start with the linked G2Plot issue template and the expected-result video; obtain a reproducible case before tracing real-time line-chart updates, and consider the issue done when live data renders correctly and the behavior is covered by a regression test.

Written by the indexing model from the issue text.