TODO(sll) in core/domain/state_domain.py: Check that this state actually exists.

[poloreoyeniji]

Validate the existence of the destination state in the Outcome object. The Outcome class defines a value object representing an interaction outcome in an exploration. The current implementation doesn't verify if the specified destination state self.dest exists within the exploration. Implement logic within the Outcome constructor (or a related method) to check if the provided dest state is an existing state within the exploration.

[seanlip]

Closing because this doesn't follow expected issue-filing conventions.