Fix for Serializable class to include name, used in FileCallbackHandler
as same issue #7524
Description: Fixes the Serializable class to include 'name' attribute
(class_name) in the dict created,
This is used in Callbacks, specifically the StdOutCallbackHandler,
FileCallbackHandler.
Issue: As described in issue #7524
Dependencies: None
Tag maintainer: SInce this is related to the callback module, tagging
@agola11 @idoru
Comments:
Glad to see issue #7524 fixed in pull #6124, but you forget to change
the same place in FileCallbackHandler