Merge pull request #13244 from kuzmany/eplace-entity-with-reference

Fix replace entity with reference for detached lists for add to segment action

app/bundles/LeadBundle/Model/ListModel.php

@@ -614,7 +614,7 @@ public function addLead($lead, $lists, $manuallyAdded = false, $batchProcess = f
                 }
             } else {
                 $listLead = new ListLead();
-                $listLead->setList($this->leadChangeLists[$listId]);
+                $listLead->setList($this->em->getReference(LeadList::class, $listId));
                 $listLead->setLead($lead);
                 $listLead->setManuallyAdded($manuallyAdded);
                 $listLead->setDateAdded($dateManipulated);