updatedInstance
updatedInstance callback handler that prevents sequential calls with the same arguments.
    updatedInstance(instance, data)
  
  Called with the instance updated by [can-connect/constructor/constructor.saveconnection.save] and the response data of the
underlying request. Prevents sequential calls to the underlying updatedInstance handlers with the same arguments.
Parameters
- instance: 
the instance created by
connection.save - data: 
the response data returned during
connection.save