Bug fixes for getIis

[haman80]

• Fixed an issue with near-feasible models where the model status could flip from infeasible to feasible during elasticity filtering: now falls back to the original constraint set and, if requested, proceeds to deletion filtering.
• Improved time-out handling from elasticity filter: If time limit is reached, fall back to the original constraint set and allow deletion filtering to handle the exit
• Improved logging consistency between elasticity filtering and deletion filtering.

[codecov]

Codecov Report

❌ Patch coverage is 82.35294% with 3 lines in your changes missing coverage. Please review.
✅ Project coverage is 81.30%. Comparing base (a34e028) to head (4183bd9).
⚠️ Report is 5 commits behind head on latest.

Files with missing lines	Patch %	Lines
highs/lp_data/HighsInterface.cpp	76.92%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           latest    #2982      +/-   ##
==========================================
- Coverage   81.30%   81.30%   -0.01%     
==========================================
  Files         359      359              
  Lines       88767    88767              
==========================================
- Hits        72174    72170       -4     
- Misses      16593    16597       +4     

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[jajhall]

Looks fine to me