[FIX] quickadmin: Recent prefs menu triangle had disappeared again - seems if class="sf-arrows" is on the UL tag in the page, superfish removes that class so the CSS doesn't apply anymore (sure that was the other way round last time?)

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@47253 b456876b-0849-0410-b77d-98878d47e9d5