Call wk-worker nuclei inferral job

[fm3]

• Adds a route that calls the webknossos-worker infer_nuclei job if jobsEnabled
• Shows the result of this job correctly in the job list
• Note that this PR does not yet include UI to trigger this route, that will be follow-up issue Add UI to trigger nuclei inferral worker job #5631

Steps to test:

• set up wk-worker locally
• visit http://localhost:9000/api/jobs/run/inferNuclei/sample_organization/l4_sample?layerName=color (exchange dataset name if necessary)
• job should show in job list
• result should be linked in job list after job is successful

Issues:

• fixes Build job for nuclei inferral #5555

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• Updated (unreleased) changelog
• Ready for review

[youri-k]

LGTM