Enter the emoji expression in the input input box, the showCount display is wrong

[suginaMiki]

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

Version

3.2.0

Environment

win10， Chrome104.0.5112.81， Vue3.2.25

Reproduction link

https://www.antdv.com/components/input-cn

Steps to reproduce

input输入emoji表情，并且显示计数（showCount）

What is expected?

一个emoji占2个字符，且一个emoji在计数上应该算2

What is actually happening?

一个emoji占2个字符，且一个emoji在计数上实际是1

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就在ant官网组件示例里就能重现

[kovsu]

Duplicate of #6794

[github-actions[bot]]

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