🐛 [BUG] 散点图点标签重叠 自动隐藏属性不生效，autoHide: true,

### 🐛 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

### 🚑 Any additional [like screenshots]

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

The issue provides no reproduction link, steps, expected result, version, platform, files, or tests. Start by obtaining a minimal reproduction for a scatter plot with autoHide: true, then verify the point-label overlap behavior and define completion as automatic hiding working as expected.

Written by the indexing model from the issue text.