XEP-0047 Send ‘close’ stream only if it was not closed#556

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cmeng-git wants to merge 2 commits intoigniterealtime:4.4from

cmeng-git:4.4_PR_close

Commits on Feb 26, 2023

XEP-0047 Send ‘close’ stream only if it was not closed
cmeng-git
committed

Commits on Mar 23, 2023

set closedByPeer as volatile as it is accessed by different threads.
cmeng-git
committed