Item12491: don't disclose topics a user doesn't have view rights on


git-svn-id: http://svn.foswiki.org/trunk/core@16706 0b4bb1d4-4e5a-0410-9cc4-b2b747904278
Item12491: called item, not topic



git-svn-id: http://svn.foswiki.org/trunk/core@16709 0b4bb1d4-4e5a-0410-9cc4-b2b747904278