Add a local copy of ERP5XhtmlStyle_getFormGroupTitleAndId script which was modified and renamed in erp5_xhtml_style.
Update caller of ERP5XhtmlStyle_getFormEnctype.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@10859 20353a03-c40f-0410-a6d1-a30d3c3de9de