do not append non-existing information for is_bt_for_diff case, otherwise we cannot notice missing information (like 'Allowed Content Types' etc.) in the 'reinstall' dialog.


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@38899 20353a03-c40f-0410-a6d1-a30d3c3de9de