fix: Handle showing unassigned Ref value properly

[curtd]

No description provided.

[codecov-commenter]

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Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 86.84%. Comparing base (9a5d3b1) to head (2b07c84).
Report is 2 commits behind head on main.

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Additional details and impacted files

@@            Coverage Diff             @@
##             main      #38      +/-   ##
==========================================
+ Coverage   86.80%   86.84%   +0.03%     
==========================================
  Files          15       15              
  Lines        1410     1414       +4     
==========================================
+ Hits         1224     1228       +4     
  Misses        186      186              

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[coveralls]

coverage: 87.464% (-1.2%) from 88.64%
when pulling 2b07c84 on fix_show_unassigned_ref
into 5d01164 on main.

[coveralls]

coverage: 88.689% (+0.05%) from 88.64%
when pulling 2b07c84 on fix_show_unassigned_ref
into 5d01164 on main.