Introduce TFWPIntegerTurnType enum and update references in TF coil m…

[chris-ashe]

…odels and tests

Description

Checklist

I confirm that I have completed the following checks:

• My changes follow the PROCESS style guide
• I have justified any large differences in the regression tests caused by this pull request in the comments.
• I have added new tests where appropriate for the changes I have made.
• If I have had to change any existing unit or integration tests, I have justified this change in the pull request comments.
• If I have made documentation changes, I have checked they render correctly.
• I have added documentation for my change, if appropriate.

[codecov-commenter]

Codecov Report

❌ Patch coverage is 36.84211% with 24 lines in your changes missing coverage. Please review.
✅ Project coverage is 49.38%. Comparing base (808481e) to head (2b976dc).
⚠️ Report is 8 commits behind head on main.

Files with missing lines	Patch %	Lines
process/core/io/plot/summary.py	5.55%	17 Missing ⚠️
process/models/tfcoil/superconducting.py	12.50%	7 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4470      +/-   ##
==========================================
+ Coverage   48.64%   49.38%   +0.73%     
==========================================
  Files         151      151              
  Lines       29704    31528    +1824     
==========================================
+ Hits        14449    15569    +1120     
- Misses      15255    15959     +704     

☔ View full report in Codecov by Harness.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.

[timothy-nunn]

Sorry my suggestion has broken things :D just undo it because its within a Numba block