erp5_catalog: Inherit from Folder in Products.ERP5Type instead of OFS.

Using CopyContainer to use functions from inherited class also and maintain
consistency between them.

product/ZSQLCatalog/SQLCatalog.py

@@ -20,7 +20,7 @@ import OFS.History
 from App.class_init import default__class_init__ as InitializeClass
 from App.special_dtml import DTMLFile
 from thread import allocate_lock, get_ident
-from OFS.Folder import Folder
+from Products.ERP5Type.Core.Folder import Folder
 from AccessControl import ClassSecurityInfo
 from AccessControl.Permissions import access_contents_information, \
     import_export_objects, manage_zcatalog_entries
@@ -36,6 +36,7 @@ from zLOG import LOG, WARNING, INFO, TRACE, ERROR
 from ZODB.POSException import ConflictError
 from Products.CMFCore import permissions
 from Products.PythonScripts.Utility import allow_class
+from Products.ERP5Type.CopySupport import CopyContainer
 
 import time
 import sys
@@ -289,11 +290,12 @@ ContainerAssertions[LazyIndexationParameterList] = 1
 
 related_key_warned_column_set = set()
 
-class Catalog(Folder,
+class Catalog(CopyContainer,
               Persistent,
               Acquisition.Implicit,
               ActiveObject,
-              OFS.History.Historical):
+              OFS.History.Historical,
+              Folder):
   """ An Object Catalog
 
   An Object Catalog maintains a table of object metadata, and a
@@ -317,6 +319,7 @@ class Catalog(Folder,
   or search_mode_Table_Key
 
  """
+  portal_type = 'Catalog'
 
   implements(ISearchKeyCatalog)