Update trait map to track fully resolved impl type parameters.

[tritao]

Description

Updates trait map to track fully resolved impl type parameters.

To be used for trait coherence checking.

Checklist

• I have linked to any relevant issues.
• I have commented my code, particularly in hard-to-understand areas.
• I have updated the documentation where relevant (API docs, the reference, and the Sway book).
  • If my change requires substantial documentation changes, I have requested support from the DevRel team
• I have added tests that prove my fix is effective or that my feature works.
• I have added (or requested a maintainer to add) the necessary Breaking* or New Feature labels where relevant.
• I have done my best to ensure that my PR adheres to the Fuel Labs Code Review Standards.
• I have requested a review from the relevant team or maintainers.

[codspeed-hq]

CodSpeed Performance Report

Merging #6963 will not alter performance

_{Comparing tritao:trait-map-trait-impls (cc63a51) with master (27be22c)}

Summary

✅ 22 untouched benchmarks

[tritao]

This is now ready for a review, there were issues with LSP performance but they have been addressed with a different implementation for keeping track of type parameters.