bt5_config: Add JSONRepresentableMixin as one of the base class for Base and Folder classes

product/ERP5Type/Base.py

@@ -86,6 +86,7 @@ from Products.ERP5Type.Accessor.TypeDefinition import asDate
 from Products.ERP5Type.Message import Message
 from Products.ERP5Type.ConsistencyMessage import ConsistencyMessage
 from Products.ERP5Type.UnrestrictedMethod import UnrestrictedMethod, super_user
+from Products.ERP5Type.mixin.json_representable import JSONRepresentableMixin
 
 from zope.interface import classImplementsOnly, implementedBy
 
@@ -675,7 +676,8 @@ class Base( CopyContainer,
             ActiveObject,
             OFS.History.Historical,
             ERP5PropertyManager,
-            PropertyTranslatableBuiltInDictMixIn
+            PropertyTranslatableBuiltInDictMixIn,
+            JSONRepresentableMixin,
             ):
   """
     This is the base class for all ERP5 Zope objects.

product/ERP5Type/Core/Folder.py

@@ -48,6 +48,8 @@ from Products.ERP5Type.Utils import sortValueList
 from Products.ERP5Type import Permissions
 from Products.ERP5Type.Globals import InitializeClass
 from Products.ERP5Type.Accessor import Base as BaseAccessor
+from Products.ERP5Type.mixin.json_representable import JSONRepresentableMixin
+
 try:
   from Products.CMFCore.CMFBTreeFolder import CMFBTreeFolder
 except ImportError:
@@ -524,7 +526,8 @@ HBTREE_HANDLER = 2
 
 InitializeClass(FolderMixIn)
 
-class Folder(CopyContainer, CMFBTreeFolder, CMFHBTreeFolder, Base, FolderMixIn):
+class Folder(CopyContainer, CMFBTreeFolder, CMFHBTreeFolder, Base, FolderMixIn,
+             JSONRepresentableMixin,):
   """
   A Folder is a subclass of Base but not of XMLObject.
   Folders are not considered as documents and are therefore