[ADF-4755][CardViewDate&SelectItemComponent] Provide a way to reset date and none option as default. (#4955)

* [ADF-4755] [CardViewDateItemComponent] Provide a way to reset date.

* Added clear icon to reset date to empty.
* Added Translation key to the new icon.

* * Added displayClearAction flag to toggle clear action.* Added None as default for the selectItem components.* Added displayNoneOption flag to toggle the default none option.

* * Fixed comments.

* * Added translation key for 'none'  option.

* * Updated dateItem css to the match recent changes.

* * Fixed failing unit tests* Updated TaskHeader components with the displayClearAction.

* * Updated demo shell card-view component to test the latest changes

lib/process-services-cloud/src/lib/task/task-header/components/task-header-cloud.component.html

@@ -5,7 +5,8 @@
         <mat-card-content>
             <adf-card-view
                 [properties]="properties"
-                [editable]="isTaskEditable()">
+                [editable]="isTaskEditable()"
+                [displayClearAction]="displayDateClearAction">
             </adf-card-view>
         </mat-card-content>
     </mat-card>

lib/process-services-cloud/src/lib/task/task-header/components/task-header-cloud.component.ts

@@ -62,6 +62,7 @@ export class TaskHeaderCloudComponent implements OnInit, OnDestroy {
     parentTaskName: string;
     dateFormat: string;
     dateLocale: string;
+    displayDateClearAction = false;
 
     private onDestroy$ = new Subject<boolean>();