we cannot use ** on a persistent mapping, cast it to dict before.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@45696 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/mixin/property_recordable.py

@@ -128,7 +128,7 @@ class PropertyRecordableMixin:
     which recorded properties in its context.
     """
     context = self.asContext()
-    context.edit(**self._getRecordedPropertyDict())
+    context.edit(**dict(self._getRecordedPropertyDict()))
     return context
 
   def _getRecordedPropertyDict(self):