Fix the race condition for continue-as-new with extended sessions enabled#1303

sophiatev wants to merge 1 commit intomainAzure/durabletask:mainfrom

stevosyan/fix-continue-as-new-with-extended-sessions-race-conditionAzure/durabletask:stevosyan/fix-continue-as-new-with-extended-sessions-race-conditionCopy head branch name to clipboard