use 'id' as the id may be confusing.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@42284 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Tool/ContributionRegistryTool.py

@@ -48,7 +48,7 @@ class ContributionRegistryTool(BaseTool):
     if context is None:
       # Build a temp object edited with provided parameters
       from Products.ERP5Type.Document import newTempFile
-      context = newTempFile(self, 'id')
+      context = newTempFile(self, '_')
       context.edit(**kw)
 
     for predicate in self.objectValues(sort_on='int_index'):