[RACM] add compute domain name to endpoint returning Job info

[glemson]

extra info is needed/useful in jobs UI.
racm code should be easy to updat.
discuss with Juliana which exact endpoint(s) need updating.

[peppermint-juli]

extra info is needed/useful in jobs UI. racm code should be easy to updat. discuss with Juliana which exact endpoint(s) need updating.

/jobm/rest/jobs and /jobm/rest/jobs/{jobId}