Make replication log error message better

[davidporter-id-au]

This log isn't super helpful, at least it ought to give some indication where the replication stack is getting stuck

Why?

How did you test it?

Potential risks

Release notes

Documentation Changes

[coveralls]

Pull Request Test Coverage Report for Build 018530e1-68c3-4e7f-b763-2f4b5a752834

• 0 of 1 (0.0%) changed or added relevant line in 1 file are covered.
• 78 unchanged lines in 13 files lost coverage.
• Overall coverage increased (+0.04%) to 57.323%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
service/history/replication/task_fetcher.go	0	1	0.0%

Files with Coverage Reduction	New Missed Lines	%
service/history/queue/timer_queue_processor_base.go	1	77.26%
common/cache/lru.go	2	92.2%
common/persistence/executionManager.go	2	78.89%
common/persistence/persistenceMetricClients.go	2	55.45%
common/persistence/statsComputer.go	2	95.71%
common/task/weightedRoundRobinTaskScheduler.go	2	89.12%
service/history/task/transfer_standby_task_executor.go	2	86.82%
service/history/task/fetcher.go	3	91.75%
common/persistence/nosql/nosqlExecutionStore.go	9	62.54%
service/history/shard/context.go	9	66.7%

Totals
Change from base Build 01852d14-bd95-4b5b-88d2-fa4789603e1c:	0.04%
Covered Lines:	85283
Relevant Lines:	148775

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💛 - Coveralls