Add user-controlled-only flag to metadata retrieval command

[znicholls]

Description

Checklist

Please confirm that this pull request has done the following:

• Tests added
• Documentation added (where applicable)
• Changelog item added to changelog/

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 80.13%. Comparing base (4c652a1) to head (bebf626).
Report is 3 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #13      +/-   ##
==========================================
+ Coverage   79.86%   80.13%   +0.26%     
==========================================
  Files           5        5              
  Lines         303      307       +4     
  Branches       50       53       +3     
==========================================
+ Hits          242      246       +4     
  Misses         42       42              
  Partials       19       19              

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