Loop without delay (#704)

* fixed loop without delay

src/task_monitor/tasks/delete_identities.rs

@@ -60,6 +60,8 @@ pub async fn delete_identities(app: Arc<App>, wake_up_notify: Arc<Notify>) -> an
             // Remove the previous commitments from the deletions table
             app.database.remove_deletions(&previous_commitments).await?;
             wake_up_notify.notify_one();
+        } else {
+            tokio::time::sleep(tokio::time::Duration::from_secs(5)).await;
         }
     }
 }