select doesn't work when reopen on multiple select search mode

[oluevano]

Version

1.3.0

Environment

angular 6 and 1.3.0 ng-zorro API

Reproduction link

https://stackblitz.com/edit/ant-dropdown-select-angular?file=app%2Fapp.component.ts

Steps to reproduce

Create a nz-select on multiple select mode into a nz-doprwon as a custom filter table, then select one option and close then the options selected doesn't show.

What is expected?

When reopen the select in the nz-dropdown as a custom filter table, the options selected shown in the select box

What is actually happening?

When re-open select, the selected options in the fist time doesn't show in the select box.

Other?

[vthinkxie]

it is the animation bug of angular, we have submit it to angular.
angular/angular#24041

[vthinkxie]

plz track #1455
close now

[vthinkxie]

ref angular/angular#24041