[ACS-8782] list of frozen files under a hold (#10663)

* [ACS-8782] Added possibility to hide drag and drop hint from document list

* [ACS-8782] Unit tests for changes in document list component

* [ACS-8782] Added documentation for displayDragAndDropHint property

* [ACS-8782] Corrected path

lib/content-services/src/lib/document-list/components/document-list.component.ts

@@ -371,6 +371,10 @@ export class DocumentListComponent extends DataTableSchema implements OnInit, On
     @Input()
     displayCheckboxesOnHover = false;
 
+    /** Display drag and drop hint. */
+    @Input()
+    displayDragAndDropHint = true;
+
     /** Emitted when the user clicks a list node */
     @Output()
     nodeClick = new EventEmitter<NodeEntityEvent>();