Monkey patch some property setters and getters to maintain consistency

product/ERP5Catalog/ERP5Catalog.py

@@ -66,6 +66,8 @@ class ERP5Catalog(Folder, Catalog):
 
   _properties = Catalog._properties
   _propertyMap = Catalog._propertyMap
+  _setPropValue = Catalog._setPropValue
+  getProperty = Catalog.getProperty
 
   manage_options = ( Folder.manage_options+
                      OFS.History.Historical.manage_options
@@ -74,8 +76,6 @@ class ERP5Catalog(Folder, Catalog):
   # Declarative Constructors
   constructors = (manage_addERP5CatalogForm, manage_addERP5Catalog,)
 
-  _setPropValue = Base._setPropValue
-
   def __init__(self, id, title='', container=None):
     # Initialize both SQLCatalog as well as Folder
     Catalog.__init__(self, id, title='', container=None)