Fix part of the scale-up UI to match the visuals

This fixes things so we can coorectly use the service inspector for undeployed services in tests, but I'm really not sure if this is the correct way to go about it.

These branches have led to what we have now:
https://github.com/juju/juju-gui/pull/451/files
https://github.com/juju/juju-gui/pull/453/files
https://github.com/juju/juju-gui/commit/865a74d763b68c6cda5c54dcf70a09a3c1dab61a