message: op-node: reset buildingID in CompleteBuildingBlock to also do so when not calling the legacy start/complete combination
diff: @@ -91,6 +91,7 @@ func (d *Sequencer) CompleteBuildingBlock(ctx context.Context) (*eth.ExecutionPa
  if err != nil {
  return nil, fmt.Errorf("failed to complete building on top of L2 chain %s, error (%d): %w", d.buildingOnto.HeadBlockHash, errTyp, err)
  }
  + d.buildingID = eth.PayloadID{}
  return payload, nil
  }
  @@ -103,7 +104,6 @@ func (d *Sequencer) CreateNewBlock(ctx context.Context, l2Head eth.L2BlockRef, l
  if err != nil {
  return l2Head, nil, err
  }
  - d.buildingID = eth.PayloadID{}
  // Generate an L2 block ref from the payload.
  ref, err := derive.PayloadToBlockRef(payload, &d.config.Genesis)
  