当使用toolbox将bar类型切换到stack类型之后，不能切换回来

[DavidYangLin]

Version

4.2.1

Steps to reproduce

在官方实例中测试也有这个问题

What is expected?

希望bar和stack能够来回切换

What is actually happening?

目前只要其他类型切换到stack类型之后都不能切换回来

[echarts-bot]

Hi! We've received your issue and please be patient to get responded. 🎉
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In the meanwhile, please make sure that you have posted enough image to demo your request. You may also check out the API and chart option to get the answer.

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[Ovilia]

请提供一个例子

[DavidYangLin]

就是你们官方实例的例子，该链接访问：https://www.echartsjs.com/examples/editor.html?c=dataset-simple0
代码截图如下

效果如下