Fix bug where device operations not recovering after reconnect #3281
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Using Amqp (with TCP), when device client disconnects for a duration like 10 sec and then re-connects, some operations will not recover by retries. It appears that an
OperationCanceledException
would be thrown from SendAmqpMessageAsync() call in "AmqpIotSendingLink" class, even if cancellation has not been requested yet.