Fix list from 'Contacts/Addresses' on company may show duplicate value for extrafields

htdocs/core/class/commonobject.class.php

@@ -4459,6 +4459,7 @@ abstract class CommonObject
 			$resql=$this->db->query($sql);
 			if ($resql)
 			{
+				$this->array_options = array();
 				$numrows=$this->db->num_rows($resql);
 				if ($numrows)
 				{