Make geo:status output more explicit

What does this MR do and why?

This is an MVC for #355969 (closed).

Since geo_node_status_check_spec.rb doesn't seem to test for specific example data, I didn't modify it yet. Does it need to be?

• add EE: true trailer

Screenshots or screen recordings

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How to set up and validate locally

• Not yet done, because I need to start again with GDK's howto/geo.md

MR acceptance checklist

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• I have evaluated the MR acceptance checklist for this MR.

Related to #355969 (closed)