[App] Introduce Bi-directional queues

[tchaton]

What does this PR do?

This PR enables bi-directional queues from the flow to the works. This isn't supported in the cloud yet.

As an App Builder, you are meant to ensure changes sent from the flow to the work can be applied e.g the current_value in the work hasn't been updated.

Fixes #<issue_number>

Does your PR introduce any breaking changes? If yes, please list them.

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cc @Borda