[comp:select]下拉框搜索中文失败

[zjgyb]

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

Reproduction link

https://codesandbox.io/s/01dq9n

Steps to reproduce

在输入框内输入中文，查看搜索状况

What is expected?

筛选出相应选项

What is actually happening?

未筛选

Environment Info

Vue^3.2.29
@idux^v1.0.0-beta.0(latest)
chrome: 99.0.4844.51

---

原因：onInput的触发时机快于onCompositionend，造成isComposing值未改变，搜索失败

[idux-bot]

Translation of this issue:

[Comp: SELECT] [Comp: SELECT] drop-down box search Chinese failed

• i Have Searched The [https://github.com/iduxfe/idux/issues) of this repository and believe That this is not a duplicate.

reproduction link

https://codesandbox.io/S/01dq9n

steps to reproduce

Enter Chinese in the input box to view your search

What is expected?

Screening out the appropriate options

What is actually happens?

Unfilled

Environment Info

Vue^3.2.29
@idux^v1.0.0-beta.0(latest)
chrome: 99.0.4844.51

---

Reason: onInput, the trigger is fast than the oncompositionendend, causing the iScomposing value has not changed, the search failed