TimePicker style error, when format = 'HH:mm'

[DarylsJoy]

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

Version

3.10.8

Environment

Chrome 70

Reproduction link

https://ant.design/components/time-picker/

Steps to reproduce

when set format = 'HH:mm' (hide second), item .ant-time-picker-panel-input overflow its wrapper

隐藏掉选择器一部分后，展示值的元素长度没有变化，仍是之前的长度，导致溢出其父级元素。

What is expected?

not overflow

What is actually happening?

overflow

[afc163]

reproduce link: https://ant.design/components/time-picker/#components-time-picker-demo-hide-column