search-bar 中文输入时 placeholder没有隐藏

[to0simple]

Version

3.0.3

Environment

ios14 angular 10

Reproduction link

https://stackblitz.com/edit/ng-zorro-antd-mobile-start-apdvbx?file=src%2Fapp%2Fapp.component.html

Steps to reproduce

使用ios自带键盘切换中文输入时 placeholder没有隐藏

What is expected?

placeholder隐藏

What is actually happening?

placeholder没有隐藏

Other?

[to0simple]

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