Fix site creation when class tool is disallowed

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@43483 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Type/Tool/TypesTool.py

@@ -104,6 +104,7 @@ class TypesTool(TypeProvider):
       'Business Template',
       'Standard Property',
       'Acquired Property',
+      'Dummy Class Tool',
     ))
 
   def listContentTypes(self, container=None):