[Bug] markArea 设置分界区域的时候，不能相对于 Y 轴设置百分比

[yyk112233]

Version

5.4.3

Link to Minimal Reproduction

无

Steps to Reproduce

设置 series 的 markArea 属性，yAxis 仅支持设置数值，y 可以设置百分比，但是是相对于整个容器的，如果期望能针对 Y 轴设置百分比，需要如何实现

Current Behavior

设置 series 的 markArea 属性，设置 yAxis 为百分比的时候无效

Expected Behavior

期望 yAxis 能设置百分比

Environment

- OS:
- Browser:
- Framework:

Any additional comments?

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[echarts-bot[bot]]

@yyk112233 It seems you are not using English, I've helped translate the content automatically. To make your issue understood by more people and get helped, we'd like to suggest using English next time. 🤗

TRANSLATED

TITLE

[Bug] When markArea sets the boundary area, the percentage cannot be set relative to the Y axis.