when it is used inside a Listbox.
The patch consist into iteration over each subfield keys in order to retrieve values from
REQUEST for each occurrence of subfields.

Fix the display of dialog when validation of form fails, because user filled values are not lost.



git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@40170 20353a03-c40f-0410-a6d1-a30d3c3de9de