Fix concurrency issue between AbandonPendingBacklog() and CheckBacklogForTimeouts(), and remove backlog locking#2430

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kornelpal wants to merge 2 commits intoStackExchange:mainfrom

kornelpal:backlog-nolock

Commits on Apr 5, 2023

Fix concurrency issue between AbandonPendingBacklog() and CheckBacklogForTimeouts(), and remove backlog locking.
kornelpal
committed

Commits on Apr 6, 2023

Add test for Dispose() case.
kornelpal
committed