[comp:select] multiple属性 失效

[fakergod]

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

Reproduction link

https://codesandbox.io/s/rough-sea-lit0uw?file=/src/Demo.vue

Steps to reproduce

数量达到 multiple设置的值后， 虽然checkbox已经disable，但 点击文字仍然可以勾选

What is expected?

禁止勾选

What is actually happening?

可以勾选

Environment Info

chrome

[idux-bot]

Translation of this issue:

[Comp: SELECT] Multiple attribute failure

• I have searched the [issues] (https://github.com/iduxfe/idux/isSues) of this repository that this is not a duplicate.

REPRODUCTION LINK

[https://codesandbox.io/s/rough-dea-lit0uw?file=/demo.vue] (https://codesandbox.io/s/rough-lit0uw?file=/demo.Vue)

STEPS To Reproduce

After the number reaches the value of Multiple set, although the checkbox has been disable, you can still check the text

What is exfected?

Prohibit

What is actually happy?

Can be checked

ENVIRONMENT Info

chrome