Solution: Height is an important factor when concluding an election during
replay i.e. fetching the current validator set should be dependent on height
* Problem: Node operator cannot vote on a ValidatorElection
Solution: Implement validator election voting spec
* Problem: Incorrent code comments
Solution: Update comments with correct context
* Problem: Delegated vote not casted back to election
Solution: Update test to cast votes back to election id and assert their validity