[improve][broker] Change the log level from error to info when throwing NotAllowedException (apache#25130)

(cherry picked from commit b474a8d)

Author: Technoboy-

pulsar-broker/src/main/java/org/apache/pulsar/broker/service/persistent/PersistentTopic.java

@@ -1086,6 +1086,9 @@ && isCompactionSubscription(subscriptionName)) {
                     close();
                 } else if (ex.getCause() instanceof BrokerServiceException.ConnectionClosedException) {
                     log.warn("[{}][{}] Connection was closed while the opening the cursor", topic, subscriptionName);
+                } else if (ex.getCause() instanceof BrokerServiceException.NotAllowedException) {
+                    log.info("[{}][{}] Not allowed to create subscription: {}", topic, subscriptionName,
+                            ex.getCause().getMessage());
                 } else {
                     log.error("[{}] Failed to create subscription: {}", topic, subscriptionName, ex);
                 }