[FIX] Categories of tracker item disappearing when rating is happening after e.g. in tiki-view_tracker_item.php

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@48333 b456876b-0849-0410-b77d-98878d47e9d5
[FIX] More robust fix Categories of tracker item disappearing when rating is happening


git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@48334 b456876b-0849-0410-b77d-98878d47e9d5
[FIX] Uncategorizing of tracker item was not working if using checkbox with just one level option

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@48335 b456876b-0849-0410-b77d-98878d47e9d5