apache / apache/echarts

legend点击事件,重新设置markPoint的位置后,原来的markPoint点仍然存在

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bug
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TypeScript
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Description

### Version
5.2.0

### Reproduction link
[http://jsrun.net/eLTKp/edit](http://jsrun.net/eLTKp/edit)

### Steps to reproduce
legend响应"legendselectchanged"事件时重新设置series的markPoint的位置,当该曲线再次展示时,原来的标记点仍然存在。

### What is expected?
曲线上只显示响应"legendselectchanged"事件时重新设置的标记点。
![echarts_20210915104755](https://user-images.githubusercontent.com/90738315/133365099-05039028-59f3-4223-a4b0-c339546d3142.png)

### What is actually happening?
响应"legendselectchanged"事件之前的标记点和响应事件重新设置的标记点都显示在曲线上。
![echarts_20210915104824](https://user-images.githubusercontent.com/90738315/133365130-9c0b2229-4f16-4f0e-9998-1f327bc591a9.png)

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