change query in list/support_message.list.php

interface/web/help/list/support_message.list.php

@@ -43,7 +43,8 @@ $liste['item'][] = array( 'field'  => 'sender_id',
 	'suffix' => '',
 	'width'  => '',
 	'datasource'=> array (  'type' => 'SQL',
-		'querystring'  => 'SELECT userid,username FROM sys_user WHERE {AUTHSQL} ORDER BY username',
+//		'querystring'  => 'SELECT userid,username FROM sys_user WHERE {AUTHSQL} ORDER BY username',
+		'querystring'  => 'SELECT userid,username FROM sys_user ORDER BY username',
 		'keyfield'  => 'userid',
 		'valuefield' => 'username'
 	),