[FIX] trackers: Dynamic links and (probably) other types of tracker select fields were causing "You are about to leave this page" alert when nothing had changed on create/edit tracker item forms.

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/11.x@46368 b456876b-0849-0410-b77d-98878d47e9d5