Correct hstar being stored on data structure

[timothy-nunn]

I think hstar is being incorrectly set on the data structure in calculate_confinement_time. calculate_confinement_time is also called when creating the H-factor table for the OUT.DAT. I believe that the hstar from this is what was being written to the MFILE, not the hstar from the selected confinement scaling.

[codecov-commenter]

Codecov Report

❌ Patch coverage is 25.00000% with 3 lines in your changes missing coverage. Please review.
✅ Project coverage is 48.84%. Comparing base (e24884c) to head (5d58edc).

Files with missing lines	Patch %	Lines
process/models/physics/confinement_time.py	25.00%	3 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #4396   +/-   ##
=======================================
  Coverage   48.84%   48.84%           
=======================================
  Files         151      151           
  Lines       29377    29377           
=======================================
  Hits        14348    14348           
  Misses      15029    15029           

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