y24-324 bug around duped aliquots

[andrewsparkes]

Closes #1919

Changes proposed in this pull request

Adds a validation to prevent use of an already used tag plate

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 92.23%. Comparing base (da08df1) to head (bc3652b).
⚠️ Report is 1 commits behind head on develop.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #2938   +/-   ##
========================================
  Coverage    92.22%   92.23%           
========================================
  Files          437      437           
  Lines         9235     9245   +10     
========================================
+ Hits          8517     8527   +10     
  Misses         718      718           

Flag	Coverage Δ
javascript	89.59% <ø> (ø)
pull_request	92.23% <100.00%> (+<0.01%)	⬆️
push	92.23% <100.00%> (+<0.01%)	⬆️
ruby	92.63% <100.00%> (+<0.01%)	⬆️

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[yoldas]

I have tried a few used/unused tag plates in Limber console. Looks fine.
The guard to raise error in mixed case is good as well I think.
Thanks for refactoring the tests to make parent and child plates clear.