button不能通过ref聚焦

[xiaopangfire]

• I have searched the issues of this repository and believe that this is not a duplicate.

What problem does this feature solve?

当前的button不支持ref聚焦，只能通过dom操作，整体来看，一个form表单中，如果通过快捷键和ref组合做到最后一步的按钮提交，却需要另一种方式去实现，不易维护，也不易读

What does the proposed API look like?

其他表单元素的focus，比如input，checkbox等

[github-actions]

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