Now handling rare printf in QP solver properly!

[jajhall]

Added another of the awfully cumbersome logging methods into the QP solver to avoid a printf

[jajhall]

This will close #2734

[codecov]

Codecov Report

❌ Patch coverage is 27.27273% with 8 lines in your changes missing coverage. Please review.
✅ Project coverage is 81.32%. Comparing base (81fc34d) to head (9f71238).
⚠️ Report is 1 commits behind head on latest.

Files with missing lines	Patch %	Lines
highs/qpsolver/quass.cpp	16.66%	5 Missing ⚠️
highs/lp_data/Highs.cpp	40.00%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           latest    #2735      +/-   ##
==========================================
- Coverage   81.33%   81.32%   -0.01%     
==========================================
  Files         349      349              
  Lines       86134    86143       +9     
==========================================
+ Hits        70053    70056       +3     
- Misses      16081    16087       +6     

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