Always return document title.

(cherry picked from commit dd87249e)

bt5/erp5_hal_json_style/SkinTemplateItem/portal_skins/erp5_hal_json_style/ERP5Document_getHateoas.xml

@@ -401,6 +401,7 @@ elif (mode == \'root\') or (mode == \'traverse\'):\n
   # Default properties shared by all ERP5 Document and Site\n
   action_dict = {}\n
 #   result_dict[\'_relative_url\'] = traversed_document.getRelativeUrl()\n
+  result_dict[\'title\'] = traversed_document.getTitle()\n
 \n
   # Add a link to the portal type if possible\n
   if not is_portal:\n

bt5/erp5_hal_json_style/bt/revision

-19
\ No newline at end of file
+20
\ No newline at end of file