refactor: Change Button to div to support IE 11

[zombieJ]

把 removeBtn 也解了出来。用额外的逻辑来处理键盘和鼠标交互逻辑。

fix ant-design/ant-design#25153

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  Hits              ?      536           
  Misses            ?        6           
  Partials          ?        0           

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