message: chore(light_node): replace `unwrap` with `expect`
diff: @@ -238,7 +238,7 @@ fn block_on_actors(
  let thread_count = env.riker_threads.min(num_cpus::get());
  actor_system_cfg
  .set("dispatcher.pool_size", thread_count as i64)
  - .unwrap();
  + .expect("Failed to set custom thread pool size for riker(actor system).");
  }
  // create riker's actor system
  