Fix a bug. Variable 'REQUEST' must be available in TALES expression

for the compatibility to relation string field. See
MultiRelationStringField.get_value.


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@45154 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Form/Form.py

@@ -162,6 +162,7 @@ class TALESValue(StaticValue):
 
     kw['form'] = form
     kw['request'] = REQUEST
+    kw['REQUEST'] = REQUEST # For compatibility to relation string field. See MultiRelationStringField.get_value.
     kw['here'] = obj
     kw['context'] = obj
     kw['modules'] = SecureModuleImporter