toolbox Magic type switching

[omnilancer]

Version

4.8.0

Reproduction link

https://echarts.apache.org/examples/en/editor.html?c=mix-line-bar

Steps to reproduce

After entering the page, click in the toolbox to switch to a line chart

What is expected?

The legend color does not change, the series color does not change

What is actually happening?

the series color changes

[echarts-bot]

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[plainheart]

It seems that the change of color only will occur at the first time. After switching to line chart and switch to bar chart and switch to line chart back again, it won't occur any more.
This should be a bug.

[omnilancer]

It seems that the change of color only will occur at the first time. After switching to line chart and switch to bar chart and switch to line chart back again, it won't occur any more.
This should be a bug.
yes！Thanks to our testers for testing this bug！