Fix: match .cue/.bin CHDs for merged multi-disc games

[emmercm]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 95.12195% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 90.88%. Comparing base (77619e9) to head (89d477b).

Files with missing lines	Patch %	Lines
src/modules/candidates/candidateGenerator.ts	92.59%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2312      +/-   ##
==========================================
+ Coverage   90.86%   90.88%   +0.01%     
==========================================
  Files         162      163       +1     
  Lines       10865    10899      +34     
  Branches     2709     2717       +8     
==========================================
+ Hits         9873     9906      +33     
- Misses        886      887       +1     
  Partials      106      106              

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[github-actions]

🧪 Package testing instructions

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