cardano-testnet | Refactor getEpochStateDetails to return immediately on foldEpochState` failure.

[carbolymer]

Extends the timeout of getEpochStateDetails, which seems to be not long enough on aarch64.

Refactor getEpochStateDetails to return immediately on foldEpochState` failure.

Change getEpochStateDetails to return a tuple instead of accepting a function.

Description

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Checklist

• Commit sequence broadly makes sense and commits have useful messages
• New tests are added if needed and existing tests are updated. These may include:
  • golden tests
  • property tests
  • roundtrip tests
  • integration tests
    See Running tests for more details
• Any changes are noted in the CHANGELOG.md for affected package
• The version bounds in .cabal files are updated
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  • Code builds on Linux, MacOS and Windows for ghc-9.6 and ghc-9.12
• Self-reviewed the diff

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[Jimbo4350]

Nice 👍