[AAE-9314] Fix preselected user display in completed task (#7688)

* [AAE-9314] Fix preselected user display in completed task

* [AAE-9314] add unit tests

* Trigger travis

lib/process-services-cloud/src/lib/people/components/people-cloud.component.ts

@@ -26,7 +26,6 @@ import {
     SimpleChanges,
     OnChanges,
     OnDestroy,
-    ChangeDetectionStrategy,
     ViewChild, ElementRef, SimpleChange
 } from '@angular/core';
 import { Observable, of, BehaviorSubject, Subject } from 'rxjs';
@@ -54,7 +53,6 @@ import { ComponentSelectionMode } from '../../types';
         ])
     ],
     providers: [FullNamePipe],
-    changeDetection: ChangeDetectionStrategy.OnPush,
     encapsulation: ViewEncapsulation.None
 })