SAK-29236 Ensure that the record has been flushed before to retrieve …

…the full scores list from db again to calculate the average score

assignment/assignment-impl/impl/src/java/org/sakaiproject/assignment/impl/AssignmentPeerAssessmentServiceImpl.java

@@ -367,6 +367,7 @@ public Object doInHibernate(Session session) throws HibernateException,
 	public void savePeerAssessmentItem(PeerAssessmentItem item){
 		if(item != null && item.getAssessorUserId() != null && item.getSubmissionId() != null){
 			getHibernateTemplate().saveOrUpdate(item);
+			getHibernateTemplate().flush();
 		}
 	}