createdInstance
Implements the createdInstance callback so it dispatches an event and updates the instance.
    connection.createdInstance(instance, props)
  
  Updates the instance with props and dispatches a "created" event on the instance and the instances's
constructor function (Map).
Calls moveCreatedInstanceToInstanceStore to ensure new instances are moved into the instanceStore after being saved.
Parameters
- instance 
{Map}:a Map instance
 - props 
{Object}:the data in the response from createData