message: Support `deploy_by_hash` in `BlockAcquisitionState::HaveApprovalsHashes`
diff: @@ -681,7 +681,12 @@ impl BlockAcquisitionState {
  peer_list,
  rng,
  )),
  - Some(Either::Left(_)) => todo!(),
  + Some(Either::Left(deploy_hash)) => Ok(BlockAcquisitionAction::deploy_by_hash(
  + *block.hash(),
  + deploy_hash,
  + peer_list,
  + rng,
  + )),
  None => Ok(BlockAcquisitionAction::finality_signatures(
  peer_list,
  rng,
  