Ensured map items can no longer be added to the project tree => Didn't remove any code but commented it (for testing purposes) Related to Issue [WTI-5]git-svn-id: https://repos.deltares.nl/repos/WettelijkToetsInstrumentarium/trunk@246 5a3db67b-de53-47b5-99c8-a1c30a6650e2Former-commit-id: e5c6dceee0fbdea918ffd78e666e38f7481c5981