色块图中色块 hover 态的边框，在页面滚动使鼠标脱离色块时没有消失 #3582

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Reproduction link

https://antv-g2.gitee.io/zh/examples/heatmap/basic#basic

Steps to reproduce

在官网示例色块图中，控制台改下图表父元素高度，设置可滚动。即可复现

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