[erp5_hal_json_style] Add first_item parameter for ListField

bt5/erp5_hal_json_style/SkinTemplateItem/portal_skins/erp5_hal_json_style/ERP5Document_getHateoas.py

@@ -111,6 +111,7 @@ def renderField(traversed_document, field, form_relative_url, value=None, meta_t
       "required": field.get_value("required"),
       # XXX Message can not be converted to json as is
       "items": field.get_value("items"),
+      "first_item": field.get_value("first_item")
     }
     result["default"] = getFieldDefault(traversed_document, field, result["key"], value)
   elif meta_type == "RadioField":
@@ -140,6 +141,7 @@ def renderField(traversed_document, field, form_relative_url, value=None, meta_t
       "required": field.get_value("required"),
       # XXX Message can not be converted to json as is
       "items": field.get_value("items"),
+      "first_item": field.get_value("first_item")
     }
     result["default"] = getFieldDefault(traversed_document, field, result["key"], value)
     result["sub_select_key"] = traversed_document.Field_getSubFieldKeyDict(field, 'default:list', key=result["key"])