Added an option to configure the confinement time in RadiationSource

[kj5248]

Linked Issues

Closes #3466

Description

Allowed for confinement time to vary from value of 0.1 ms in RadiationSource

Checklist

I confirm that I have completed the following checks:

• Tests run locally and pass pytest tests --reactor
• Code quality checks run locally and pass pre-commit run --from-ref develop --to-ref HEAD
• Documentation built locally and checked sphinx-build -W documentation/source documentation/build

[sonarcloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 76.37%. Comparing base (3b83ac6) to head (9c42e29).
Report is 47 commits behind head on develop.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #3506   +/-   ##
========================================
  Coverage    76.37%   76.37%           
========================================
  Files          230      230           
  Lines        26632    26632           
========================================
  Hits         20341    20341           
  Misses        6291     6291           

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[github-actions]

⚠️ Warning Report

Found 0 new warnings, 0 fixed warnings. 🎉

All warnings (7)

On collect

• /home/runner/miniconda3/envs/bluemira/lib/python3.10/site-packages/ufl/core/ufl_type.py:56: DeprecationWarning: attach_operators_from_hash_data deprecated, please use UFLObject instead.

On runtest

• /home/runner/work/bluemira/bluemira/bluemira/equilibria/optimisation/harmonics/harmonics_approx_functions.py:41: RuntimeWarning: divide by zero encountered in log10
• /home/runner/miniconda3/envs/bluemira/lib/python3.10/site-packages/basix/ufl.py:1909: DeprecationWarning: Converting elements created in UFL to Basix elements is deprecated. You should create the elements directly using basix.ufl.element instead
• /home/runner/miniconda3/envs/bluemira/lib/python3.10/site-packages/ffcx/element_interface.py:23: DeprecationWarning: Use of elements created by UFL is deprecated. You should create elements directly using Basix.
• /home/runner/miniconda3/envs/bluemira/lib/python3.10/site-packages/ffcx/element_interface.py:26: DeprecationWarning: Converting elements created in UFL to Basix elements is deprecated. You should create the elements directly using basix.ufl.element instead
• /home/runner/miniconda3/envs/bluemira/lib/python3.10/site-packages/ufl/core/expr.py:275: DeprecationWarning: Expr.ufl_domain() is deprecated, please use extract_unique_domain(expr) instead.
• /home/runner/work/bluemira/bluemira/bluemira/radiation_transport/radiation_tools.py:719: DeprecationWarning: interp2dis deprecated!interp2d` is deprecated in SciPy 1.10 and will be removed in SciPy 1.12.0.

For legacy code, nearly bug-for-bug compatible replacements are
RectBivariateSpline on regular grids, and bisplrep/bisplev for
scattered 2D data.

In new code, for regular grids use RegularGridInterpolator instead.
For scattered data, prefer LinearNDInterpolator or
CloughTocher2DInterpolator.

For more details see
https://gist.github.com/ev-br/8544371b40f414b7eaf3fe6217209bff
`