[Bug] Consumer should retry for the subscription fence error

[RobertIndie]

This CI failure exposed the issue: https://github.com/apache/pulsar-client-go/actions/runs/15014358114/job/42188862912#step:6:2767

Actual behavior

Consumer will fail immediately without any retry for the subscription fence error.

time="2025-05-14T07:09:02Z" level=error msg="Failed to create consumer" consumerID=8 error="server error: ServiceNotReady: Subscription is fenced" name=ypbxo subscription=my-sub topic="persistent://public/default/my-topic-437318013-partition-0"

    consumer_test.go:2346: 
        	Error Trace:	/pulsar/pulsar-client-go/pulsar/consumer_test.go:2346
        	Error:      	Expected nil, but got: &errors.errorString{s:"server error: ServiceNotReady: Subscription is fenced"}
        	Test:       	TestConsumerAddTopicPartitions

Expected behavior

Consumer should retry for the subscription fence error