feat(classification): backport Ruby and C# test cases and KPIs

[elsapet]

Description

For Ruby and C# cases:

• Deduplicate input and output CSVs into a JSON file, and include object classifications where missing.
• Add test helper to construct expected and actual Classification objects and KPIs from JSON file
• Snapshot the results - actual valid classifications and KPIs
• Some fixes to the algorithm e.g.
  • Exclude objects with blank names
  • For unknown objects, check fields for DB identifiers (we updated the Miro flow to include this edge case)

Still TODO (later PR)

• Other languages

Checklist

• I've added test coverage that shows my fix or feature works as expected.
• I've updated or added documentation if required.
• I've included usage information in the description if CLI behavior was updated or added.
• PR title follows Conventional Commits format

[swarmia]

✅  Linked to AMA-3087 · Backport test cases & KPIs from AMA
➡️  Part of AMA-3023 · Backport schema (data type) classification from ruby app
➡️  Part of AMA-2947 · OSS - Curio CLI

[elsapet]

@cfabianski could you re-approve when you've a moment? I rebased, sorry! 🙈