feat: return sn for virtual type script such as unique items

[zmcNotafraid]

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[codecov-commenter]

Codecov Report

Attention: Patch coverage is 60.00000% with 2 lines in your changes are missing coverage. Please review.

Project coverage is 66.61%. Comparing base (f373f6b) to head (f734a46).
Report is 42 commits behind head on develop.

❗ Current head f734a46 differs from pull request most recent head eed3096. Consider uploading reports for the commit eed3096 to get more accurate results

Files	Patch %	Lines
app/models/token_collection.rb	60.00%	2 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #1651      +/-   ##
===========================================
- Coverage    67.56%   66.61%   -0.95%     
===========================================
  Files          289      310      +21     
  Lines         7944     8496     +552     
===========================================
+ Hits          5367     5660     +293     
- Misses        2577     2836     +259     

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