fix subscription deadlock

client subscriptions deadlock sometimes if we try to unsubscribe while receiving another item. make that not happen

added 1 commit

• a2717857 - fix test

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added 6 commits

• a2717857...4394be40 - 5 commits from branch master
• 3b8f2714 - Merge branch 'master' into fix-subscription-deadlock

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merged

mentioned in commit bfdeb4ba