message: Construct `Event` variant explicitly.
diff: @@ -278,7 +278,9 @@ where
  effect_builder
  .handle_linear_chain_block(block_header.clone())
  .event(move |(pk, signature)| {
  - FinalitySignature::new(block_hash, signature, pk).into()
  + Event::NewFinalitySignature(Box::new(FinalitySignature::new(
  + block_hash, signature, pk,
  + )))
  }),
  );
  effects.extend(
  