ISSUE-12455: PulsarClientException$BrokerMetadataException error reoccurs in release 2.8.1

[sijie]

Original Issue: apache#12455

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Describe the bug
Exactly same as apache#11774. Unable to start broker.
Also similar to apache#10967.

Error log

17:01:09.826 [main] ERROR org.apache.pulsar.PulsarBrokerStarter - Failed to start pulsar service.
org.apache.pulsar.broker.PulsarServerException: java.lang.RuntimeException: java.lang.RuntimeException: Failed to initialize Metadata Manager
        at org.apache.pulsar.broker.PulsarService.start(PulsarService.java:787) ~[org.apache.pulsar-pulsar-broker-2.8.1.jar:2.8.1]
        at org.apache.pulsar.PulsarBrokerStarter$BrokerStarter.start(PulsarBrokerStarter.java:259) ~[org.apache.pulsar-pulsar-broker-2.8.1.jar:2.8.1]
        at org.apache.pulsar.PulsarBrokerStarter.main(PulsarBrokerStarter.java:331) [org.apache.pulsar-pulsar-broker-2.8.1.jar:2.8.1]
Caused by: java.lang.RuntimeException: java.lang.RuntimeException: Failed to initialize Metadata Manager
        at org.apache.pulsar.functions.worker.PulsarWorkerService.start(PulsarWorkerService.java:571) ~[org.apache.pulsar-pulsar-functions-worker-2.8.1.jar:2.8.1]
        at org.apache.pulsar.broker.PulsarService.startWorkerService(PulsarService.java:1569) ~[org.apache.pulsar-pulsar-broker-2.8.1.jar:2.8.1]
        at org.apache.pulsar.broker.PulsarService.start(PulsarService.java:759) ~[org.apache.pulsar-pulsar-broker-2.8.1.jar:2.8.1]
        ... 2 more
Caused by: java.lang.RuntimeException: Failed to initialize Metadata Manager
        at org.apache.pulsar.functions.worker.FunctionMetaDataManager.initialize(FunctionMetaDataManager.java:115) ~[org.apache.pulsar-pulsar-functions-worker-2.8.1.jar:2.8.1]
        at org.apache.pulsar.functions.worker.PulsarWorkerService.start(PulsarWorkerService.java:496) ~[org.apache.pulsar-pulsar-functions-worker-2.8.1.jar:2.8.1]
        at org.apache.pulsar.broker.PulsarService.startWorkerService(PulsarService.java:1569) ~[org.apache.pulsar-pulsar-broker-2.8.1.jar:2.8.1]
        at org.apache.pulsar.broker.PulsarService.start(PulsarService.java:759) ~[org.apache.pulsar-pulsar-broker-2.8.1.jar:2.8.1]
        ... 2 more
Caused by: org.apache.pulsar.client.api.PulsarClientException$BrokerMetadataException: The subscription c-pulsar-cluster-1-fw-192.168.3.3-8080-function-metadata-tailer-reader-7223e8a3e9 of the topic persistent://public/functions/metadata gets the last message id was failed
Failed to get batch size for entry java.lang.IllegalArgumentException: Invalid unknonwn tag type: 6
        at org.apache.pulsar.client.api.PulsarClientException.unwrap(PulsarClientException.java:987) ~[org.apache.pulsar-pulsar-client-api-2.8.1.jar:2.8.1]
        at org.apache.pulsar.client.impl.ConsumerImpl.hasMessageAvailable(ConsumerImpl.java:1869) ~[org.apache.pulsar-pulsar-client-original-2.8.1.jar:2.8.1]
        at org.apache.pulsar.client.impl.ReaderImpl.hasMessageAvailable(ReaderImpl.java:168) ~[org.apache.pulsar-pulsar-client-original-2.8.1.jar:2.8.1]
        at org.apache.pulsar.functions.worker.FunctionMetaDataManager.initialize(FunctionMetaDataManager.java:109) ~[org.apache.pulsar-pulsar-functions-worker-2.8.1.jar:2.8.1]
        at org.apache.pulsar.functions.worker.PulsarWorkerService.start(PulsarWorkerService.java:496) ~[org.apache.pulsar-pulsar-functions-worker-2.8.1.jar:2.8.1]
        at org.apache.pulsar.broker.PulsarService.startWorkerService(PulsarService.java:1569) ~[org.apache.pulsar-pulsar-broker-2.8.1.jar:2.8.1]
        at org.apache.pulsar.broker.PulsarService.start(PulsarService.java:759) ~[org.apache.pulsar-pulsar-broker-2.8.1.jar:2.8.1]
        ... 2 more

Expected behavior
Able to restart and run broker without any error.
Claimed to be fixed by apache#10968, but I still face the same issue.

Additional context
Pulsar version: 2.8.1
Pulsar mode: cluster, 3 nodes
KoP: enabled (apache#10950)