Only print 'up shortly' messaging when restarting all services

Ash McKenzierequested to merge
ashmckenzie/improve-should-be-up-message into master

What does this Merge Request do?

This MR improves the messaging to the user when running gdk restart <service> so it does not print the 'up shortly' messaging. It's only printed if gdk restart (or gdk start) is called without any specific service(s).

Merge Request checklist

  • Tests added for new functionality. If not, please raise Issue to follow-up.
  • This change is backward compatible. If not, please include steps to communicate to our users.
  • Documentation added/updated, if needed.
  • gdk doctor test added, if needed.
Edited by Ash McKenzie

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