'%s/erp5_egov_%scontent.css' % (portal_path, editable and 'editable_' or '')
because  it have been replace by
'%s/erp5_egov_%s_form_layout.css' % (portal_path, website.getId()) and erp5_egov_editable_content.css don't exist now.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@23340 20353a03-c40f-0410-a6d1-a30d3c3de9de