Small improvements to queries

[smelc]

Changelog

- description: |
    Small improvements to queries
# uncomment types applicable to the change:
  type:
  # - feature        # introduces a new feature
  - breaking       # the API has changed in a breaking way
  # - compatible     # the API has changed but is non-breaking
  # - optimisation   # measurable performance improvements
  - refactoring    # QoL changes
  # - bugfix         # fixes a defect
  # - test           # fixes/modifies tests
  # - maintenance    # not directly related to the code
  # - release        # related to a new release preparation
  # - documentation  # change in code docs, haddocks...

Context

• Spin-off of https://github.com/IntersectMBO/cardano-api/pull/557
• Goal is to make fromConsensusQueryResultShelleyBased more maintainable.

How to trust this PR

• The first commit doesn't change the runtime
• The second commit was carefully done mechanically, but please reread it carefully
• It's more deletions than additions :medal_military:

Checklist

• [X] Commit sequence broadly makes sense and commits have useful messages
• [X] Self-reviewed the diff