As EC put request may be processed only by container node, so sign requests
with current node private to not to perform APE checks.
Signed-off-by: Dmitrii Stepanov <d.stepanov@yadro.com>
There might be situation when context canceled earlier than traverser move to another part of the nodes.
To avoid this, need to wait for the result from concurrent put at each traverser iteration.
Signed-off-by: Anton Nikiforov <an.nikiforov@yadro.com>
