Improve error message for membership resolver

[Shaddoll]

What changed?
Improve error message for membership resolver

Why?
Improve debuggability

How did you test it?

Potential risks

Release notes

Documentation Changes

[coveralls]

Pull Request Test Coverage Report for Build 018db343-cbf9-4478-a21a-d94dfba6f337

Details

• -1 of 1 (0.0%) changed or added relevant line in 1 file are covered.
• 27 unchanged lines in 6 files lost coverage.
• Overall coverage increased (+0.03%) to 62.747%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
common/membership/resolver.go	0	1	0.0%

Files with Coverage Reduction	New Missed Lines	%
service/history/task/transfer_active_task_executor.go	2	72.38%
service/matching/matcher.go	2	90.72%
service/matching/taskListManager.go	2	80.46%
service/history/task/fetcher.go	3	86.6%
service/history/execution/mutable_state_task_refresher.go	7	62.03%
common/persistence/sql/workflowStateMaps.go	11	85.56%

Totals
Change from base Build 018daf40-3e91-4ef9-9d9a-c2dcb88ec597:	0.03%
Covered Lines:	92628
Relevant Lines:	147622

---

💛 - Coveralls