message: Fix formatting in linear_chain.
diff: @@ -240,21 +240,16 @@ where
  }
  debug!(%block_hash, %public_key, "received new finality signature");
  async move {
  - let maybe_block = effect_builder
  - .get_block_from_storage(block_hash)
  - .await;
  + let maybe_block = effect_builder.get_block_from_storage(block_hash).await;
  match maybe_block {
  - None => {
  - let block_hash = fs.block_hash;
  - let public_key = fs.public_key;
  - warn!(%block_hash, %public_key, "received a signature for a block that was not found in storage");
  - }
  + None => warn!(
  + %block_hash, %public_key,
  + "received a signature for a block that was not found in storage"
  + ),
  Some(mut block) => {
  if !block.proofs().iter().any(|proof| proof == &fs.signature) {
  block.append_proof(fs.signature);
  - let _ = effect_builder
  - .put_block_to_storage(Box::new(block))
  - .await;
  + let _ = effect_builder.put_block_to_storage(Box::new(block)).await;
  let _ = effect_builder
  .broadcast_message(Message::FinalitySignature(fs.clone()))
  .await;
  @@ -263,7 +258,8 @@ where
  }
  }
  }
  - }.ignore()
  + }
  + .ignore(),
  }
  }
  }
  