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

Reproduction link

Steps to reproduce

• Open demo at https://ant.desig

Reproduction link

https://stackblitz.com/edit/angular-bzybrd?file=src/app/app.component.ts

Steps to reproduce

Inside a nz-input-group with the nzCompact attribute, add a nz-select with a few options and the nzAllowClear attribute.

What is expected?

It is expected the select input to be cleared

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