Fall back to 1mm outboard SOL power decay in plotting

[timothy-nunn]

Checks for invalid values of len_sol_outboard_power_decay when plotting to avoid 0/non-finite plot axis lengths. There was a pre-existing comment to suggest this should have been happening but had been removed.

Looking at the code which produces this variable, non-finite outputs can occur if the power or magnetic field is negative.

PROCESS/process/models/physics/scrape_off_layer.py

Lines 275 to 281 in 2ae0ef2

	return (
	1.35e-3
	* p_plasma_separatrix_mw**-0.02
	* rmajor**0.04
	* b_plasma_surface_poloidal_average**-0.92
	* aspect**-0.42
	)

[codecov-commenter]

Codecov Report

❌ Patch coverage is 0% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 49.96%. Comparing base (2ae0ef2) to head (21483cb).

Files with missing lines	Patch %	Lines
process/core/io/plot/summary.py	0.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4621      +/-   ##
==========================================
- Coverage   49.97%   49.96%   -0.01%     
==========================================
  Files         151      151              
  Lines       29929    29931       +2     
==========================================
  Hits        14956    14956              
- Misses      14973    14975       +2     

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