[Bug] `series.itemStyle.opacity` is not respected by `tooltip`

[Geloosa]

Version

5.4.3

Link to Minimal Reproduction

https://jsfiddle.net/Oliya/gyqrd3fz/2/

Steps to Reproduce

Set series.itemStyle.opacity to < 1 and show the tooltip.

Current Behavior

series.itemStyle.opacity is respected by the graph items and legend, but in tooltip markers opacity is always 1 for all the series:

Expected Behavior

Tooltip should draw markers with the requested opacity.

Environment

- OS:
- Browser:
- Framework:

Any additional comments?

No response

[echarts-bot]

This issue is labeled with difficulty: easy.
@Geloosa Would you like to debug it by yourself? This is a quicker way to get your problem fixed. Or you may wait for the community to fix.

Please have a look at How to debug ECharts if you'd like to give a try. 🤓

[ChepteaCatalin]

I see that this issue was reopened. Do we know what went wrong with the reverted PR?