Issue #3312974: Async translations do not correctly clone the source paragraph

src/Plugin/Field/FieldWidget/LayoutParagraphsWidget.php

@@ -322,6 +322,7 @@ class LayoutParagraphsWidget extends WidgetBase implements ContainerFactoryPlugi
         $items[$delta]->entity = $paragraph;
       }
     }
+    $this->layoutParagraphsLayout->setParagraphsReferenceField($items);
     $this->tempstore->set($this->layoutParagraphsLayout);
   }