[Feature] series.markPoint.label.formatter，应该返回整个系列的值，而不是当前列显示的值。比如图表显示归一化后的数值，label应该format为原始值，这样更好一点

[zz925625]

What problem does this feature solve?
https://codepen.io/zz925625/pen/RNPwOQB

What does the proposed API look like?

通过回调函数检索整列的值

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[Feature] series.markPoint.label.formatter, which should return the value of the entire series, not the value displayed in the current column. For example, if the chart shows the normalized value, the label should be formatted as the original value, which is better