Add tz request parameter to logbook search requests

[georgweiss]

The time zone of the client is always added to search requests. It is needed to correctly compute the start/end time of temporal search when client is not in the same time zone as service.

Checklist

• Testing:

  • The feature has automated tests
  • [ X] Tests were run

• Documentation:

  • The feature is documented
  • The documentation is up to date
  • Release notes:
    • Added an entry if the change is breaking or significant
    • Added an entry when adding a new feature

[jacomago]

I guess something similar should be done in https://github.com/Olog/phoebus-olog-web-client ?

[georgweiss]

See Olog/phoebus-olog-web-client#286