Add CategoryCore property sheet to Folder. Modules are instances of Folder...

Add CategoryCore property sheet to Folder. Modules are instances of Folder class and they use categories so that this is needed.


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@33519 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Type/Core/Folder.py

@@ -422,6 +422,7 @@ class Folder(CopyContainer, CMFBTreeFolder, CMFHBTreeFolder, Base, FolderMixIn,
   property_sheets = ( PropertySheet.Base
                     , PropertySheet.SimpleItem
                     , PropertySheet.Folder
+                    , PropertySheet.CategoryCore
                     )
 
   # Class inheritance fixes