[Zope] Can't get rid of ZGadfly in Add menu

[Itamar Shtull-Trauring]

I have a ObjectManager/ZCatalog ZClass Searcher which can contain folders. 
I create a folder Test in an instance.

/ -> Searcherinstance -> Test

Both Test, Searcherinstance, and the root folder do not let Owners add
ZGadfly objects, yet it shows up in the add menu of Test as an option for a
Owner to add.  

Apparently the Searcher ZClass inherited the ZGadfly permission from either
the FOlder or ZCatalog, I can't figure out why they're a default in either,
but I still have set it to not allow it to Owners.

Any ideas?

-- 
Itamar - itamars@ibm.net
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