Consider parameters provided during POST /jobs/{jobId}/results as overrides (to update in job)

[fmigneault]

Allows Prefer header in POST /jobs/{jobId}/results to override the return and execution mode via wait/respond-async.

[fmigneault]

Given that:

• (both mode/return) can be set during the initial POST /jobs
• (both mode/return) can be updated as many times desired using PATCH /jobs/{jobId}
• (return only) can be obtained with alternative job representations using GET /jobs/{jobId}/results
• agreements on the over-complexity this feature brings: Proposal OGC API - Processs - Part4: Job Management opengeospatial/ogcapi-processes#437 (comment)

Decision: Won't be supported.