Adds historical_commission_threshold as described in the Steward README. Requires a compiler feature when building the main image to specify VALIDATOR_HISTORY_FIRST_RELIABLE_EPOCH for the given network this is running on.
Fixes a bug in which validators with stake that are not in the delegation set would not be checked for instant unstake status, which was wrong because we still need to be able to instant unstake these validators if they commission rug or go delinquent.
historical_commission_thresholdas described in the Steward README. Requires a compiler feature when building the main image to specify VALIDATOR_HISTORY_FIRST_RELIABLE_EPOCH for the given network this is running on.