fix performance bug in SelfService of RT 3.6.3.
Dirk Pape.
--- html/SelfService/Elements/MyRequests	2006-11-07 20:22:15.000000000 +0100
+++ html/SelfService/Elements/MyRequests	2007-01-27 22:07:00.000000000 +0100
@@ -80,7 +80,7 @@
 <%ARGS>
 $title => undef
 $friendly_status => loc('open')
-@roles => ('Requestor', 'Cc', 'AdminCc')
+@roles => ('Watcher')
 @status => ('open', 'new', 'stalled')
 $BaseURL => undef
 $Page => 1