tips: Fixup wrong namespace on ticket queue pages

scp/tickets.php

@@ -622,7 +622,7 @@ if($ticket) {
 }
 
 $ost->addExtraHeader('<script type="text/javascript" src="js/ticket.js"></script>');
-$ost->addExtraHeader('<meta name="tip-namespace" content="tickets.open" />',
+$ost->addExtraHeader('<meta name="tip-namespace" content="tickets.queue" />',
     "$('#content').data('tipNamespace', 'tickets.queue');");
 
 require_once(STAFFINC_DIR.'header.inc.php');