[Backport release-ff-upgrade-test] Fix misleading orchestrator client error level log (#4438)

Fix misleading `orchestrator client` error level log (#4437)

* fix no orchestrator err

* fix comment

(cherry picked from commit 5e3fc47)

Co-authored-by: Abdul Basit <45506001+imabdulbasit@users.noreply.github.com>

Author: github-actions[bot]

crates/espresso/node/src/context.rs

@@ -460,7 +460,10 @@ where
                 .wait_for_all_nodes_ready(peer_config)
                 .await;
         } else {
-            tracing::error!("Cannot get info from orchestrator client");
+            // the network config was loaded from storage or fetched from
+            // peers, so there is no need of orchestrator
+            // This is the normal path for a node rejoining an existing network.
+            tracing::info!("no orchestrator configured");
         }
         tracing::warn!("starting consensus");
         self.consensus_handle.start_consensus().await;