fix the condition to check portal type or not, because some module portal types has 'ERP5 Folder' meta type, thus we can loose allowed_content_types etc. by updating PortalTypeTemplateItem.


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@39601 20353a03-c40f-0410-a6d1-a30d3c3de9de