message: [Consensus] Correct the comment
  The comment is to pick the smallest ID but the implementation picks the max ID. Let's change the comment instead of changing the implementation.
diff: @@ -153,7 +153,8 @@ impl ChainedBftProvider {
  /// Choose a proposer that is going to be the single leader (relevant for a mock fixed proposer
  /// election only).
  fn choose_leader(initial_setup: &InitialSetup) -> Author {
  - // As it is just a tmp hack function, pick the smallest PeerId to be a proposer.
  + // As it is just a tmp hack function, pick the max PeerId to be a proposer.
  + // TODO: VRF will be integrated later.
  *initial_setup
  .peers
  .iter()
  