Fix to request approval consideration.

application/models/rows/ApprovalChain.php

@@ -62,6 +62,7 @@ class ApprovalChain extends Nmc_Db_Table_Row
                 $queueItem->approvalAction = $currentAction;
             }
             $queueItem->visible = 'yes';
+            $queueItem->canEdit = 'no';
             $queueItem->save();
         }