[improve][broker] re-elect the channel owner if no channel owner is found (#23516)

[heesung-sn]

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(cherry picked from commit 266e705)

[github-actions]

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[heesung-sn]

@Demogorgon314 can you help review?

[heesung-sn]

Error: Failures:
Error: org.apache.pulsar.broker.service.OneWayReplicatorUsingGlobalZKTest.testRemoveCluster
[INFO] Run 1: PASS
Error: Run 2: OneWayReplicatorUsingGlobalZKTest.testRemoveCluster:211 » ThreadTimeout Method org.apache.pulsar.broker.service.OneWayReplicatorUsingGlobalZKTest.testRemoveCluster() didn't finish within the time-out 300000

I see this failure consistently, but because this shouldn't be caused by this PR, I am merging this.