Fix issue where Key_Shared consumers could get stuck (apache#10920)

(cherry picked from commit 8065d6c)
(cherry picked from commit f66d03d)

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

@@ -126,6 +126,7 @@ public synchronized void removeConsumer(Consumer consumer) throws BrokerServiceE
         // The consumer must be removed from the selector before calling the superclass removeConsumer method.
         // In the superclass removeConsumer method, the pending acks that the consumer has are added to
         // redeliveryMessages. If the consumer has not been removed from the selector at this point,
+        // messagesToRedeliver. If the consumer has not been removed from the selector at this point,
         // the broker will try to redeliver the messages to the consumer that has already been closed.
         // As a result, the messages are not redelivered to any consumer, and the mark-delete position does not move,
         // eventually causing all consumers to get stuck.