[CST-9636] Add flag to show or not thumbnail along list element by component's input firstly

src/app/shared/object-list/object-list.component.ts

@@ -81,6 +81,11 @@ export class ObjectListComponent {
    */
   @Input() showPaginator = true;
 
+  /**
+   * Whether to show the thumbnail preview
+   */
+  @Input() showThumbnails;
+
   /**
    * Emit when one of the listed object has changed.
    */