Now initialising sense in struct Model of LP file reader

[jajhall]

This closes #2769

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 80.32%. Comparing base (a058a69) to head (28f6dc8).
⚠️ Report is 33 commits behind head on latest.

Additional details and impacted files

@@           Coverage Diff           @@
##           latest    #2770   +/-   ##
=======================================
  Coverage   80.32%   80.32%           
=======================================
  Files         348      348           
  Lines       86073    86073           
=======================================
+ Hits        69141    69142    +1     
+ Misses      16932    16931    -1     

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[jajhall]

It's a trivial change, @galabovaa, so the only issue seems to be the Julia CI tests

[galabovaa]

I think I know how to fix the julia tests