message: [consensus][fix] send highest timeout certificate with TimeoutMsg
diff: @@ -499,7 +499,7 @@ impl<T: Payload> EventProcessor<T> {
  SyncInfo::new(
  self.block_store.highest_quorum_cert().as_ref().clone(),
  self.block_store.highest_ledger_info().as_ref().clone(),
  - None,
  + self.pacemaker.highest_timeout_certificate(),
  ),
  PacemakerTimeout::new(round, self.block_store.signer(), vote_msg_to_attach),
  self.block_store.signer(),
  