message: fix(shell_automaton/stats): int overflow in graph rpc
diff: @@ -853,7 +853,7 @@ pub(crate) async fn get_shell_automaton_block_stats_graph(
  None => return Ok(None),
  };
  - let times_sub = |a: Option<u64>, b: Option<u64>| a.and_then(|a| b.map(|b| a - b));
  + let times_sub = |a: Option<u64>, b: Option<u64>| a.and_then(|a| b.map(|b| a.saturating_sub(b)));
  let mut result = stats
  .into_iter()
  