Simplify and optimize the command response future/promise flow #1517
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Motivation:
The command response flow uses a futures that piggies back to the query result builder and then completes the overall result promise.
Only the terminal node needs to be a promise/future as we are always on the same connection context.
The internal command response flow can uses instead a
Completableflow that is much more straightforward for debugging and saves un-necessary method calls.Changes:
Use a
Completableresponse flow internally instead of thePromisebased flow.