Test and Recover Workflow Request State

[jmchilton]

From @mvdbeek

That's workflow_request_input_step_parameter, workflow_request_to_input_collection_dataset, workflow_request_to_input_dataset, workflow_request_step_states workflow_request_input_parameters etc ? I wonder if we should try systematically round-tripping these in our workflow tests
If that works maybe we're ready to implement the re-run 😆

• Implement a workflow endpoint to extract a invocation request from these tables.
• Add a flag to workflow test suite to extract the invocation and rerun it and retest outputs.

We do this kind of round trip testing for workflow conversion and for our "workflow extraction" test cases.

This is important from a reproducibility claim perspective but also would potentially be helpful in workflow re-run #11340.