message: NO TICKET: Tidier error conversion
diff: @@ -2371,10 +2371,9 @@ where
  where
  Error: From<S::Error>,
  {
  - match self.state.commit(correlation_id, pre_state_hash, effects)? {
  - CommitResult::Success { state_root, .. } => Ok(CommitResult::Success { state_root }),
  - commit_result => Ok(commit_result),
  - }
  + self.state
  + .commit(correlation_id, pre_state_hash, effects)
  + .map_err(Error::from)
  }
  /// Obtains validator weights for given era.
  