Add specfic component heat loads

[chris-ashe]

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 20.77922% with 122 lines in your changes missing coverage. Please review.
✅ Project coverage is 48.60%. Comparing base (d86c108) to head (0594a06).
⚠️ Report is 4 commits behind head on main.

Files with missing lines	Patch %	Lines
process/core/io/plot/summary.py	1.00%	99 Missing ⚠️
process/models/fw.py	20.00%	20 Missing ⚠️
process/models/stellarator/stellarator.py	0.00%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4304      +/-   ##
==========================================
- Coverage   48.69%   48.60%   -0.09%     
==========================================
  Files         151      151              
  Lines       29290    29463     +173     
==========================================
+ Hits        14263    14321      +58     
- Misses      15027    15142     +115     

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