✨ Allow for offset fallback to be disabled

[je-cook]

Linked Issues

Closes #3989

Description

Interface Changes

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

[sonarqubecloud]

Quality Gate passed

Issues
1 New issue
0 Accepted issues

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

See analysis details on SonarQube Cloud

[codecov]

Codecov Report

❌ Patch coverage is 50.00000% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 78.98%. Comparing base (6632945) to head (16ca04b).

Files with missing lines	Patch %	Lines
bluemira/geometry/tools.py	50.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #4166      +/-   ##
===========================================
- Coverage    78.98%   78.98%   -0.01%     
===========================================
  Files          244      244              
  Lines        29301    29303       +2     
===========================================
+ Hits         23143    23144       +1     
- Misses        6158     6159       +1     

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[github-actions]

⚠️ Warning Report

Found 0 new warnings, 0 fixed warnings. 🎉

All warnings (1)

On collect

• /home/runner/work/bluemira/bluemira/bluemira/codes/openmc/solver.py:60: DeprecationWarning: In 3.13 the default auto()/generate_next_value will require all values to be sortable and support adding +1 and the value returned will be the largest value in the enum incremented by 1