Do not copy 'isIndexable' property while migrating portal types

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@34418 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Type/Tool/TypesTool.py

@@ -190,7 +190,7 @@ class OldTypesTool(OFSFolder):
       elif k == '_roles':
         for role in v:
           new_type._importRole(role.__getstate__())
-      elif k != 'uid':
+      elif k not in ('uid', 'isIndexable'):
         if k == '_property_domain_dict':
           v = dict((k, t.__class__(property_name=t.property_name,
                                    domain_name=t.domain_name))