Made gdk status output simple and added specs accordingly

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What does this merge request do and why?

This MR aims to simplify the output of gdk status by reducing noise. The new format is simply | PID | STATUS | SERVICE |. If anyone wants the previous format for gdk status, it can seen if GDK_DEBUG is set to 'true'. This MR also updates and adds specs in status_spec.rb.

Before	After

Relates to #2251 (closed)

How to set up and validate locally

1. Run gdk status
2. See the new simple output

How to test the changes

1. Run bundle exec rspec spec/lib/gdk/command/status_spec.rb

Impacted categories

The following categories relate to this merge request:

• gdk-reliability - e.g. When a GDK action fails to complete.
• gdk-usability - e.g. Improvements or suggestions around how the GDK functions.
• gdk-performance - e.g. When a GDK action is slow or times out.

Merge request checklist

• This MR references an issue describing the change.
• This change is backward compatible. If not, please include steps to communicate to our users.
• Tests added for new functionality. If not, please raise an issue to follow-up.
• Documentation added/updated, if needed.
• Announcement added, if change is notable.
• gdk doctor test added, if needed.