Fixing bugs: 1) unscaled norm computation in info.jl; 2) robust infe…

[yuwenchen95]

The commit aims to fix two issues:

1. correct unscaling variables in the norm computation (info.jl);
2. make infeasibility more robust & correct the reduced infeasibility parameter.

We should also make the same update in Clarabel.rs.

[codecov]

Codecov Report

Attention: Patch coverage is 80.00000% with 1 line in your changes missing coverage. Please review.

Project coverage is 85.53%. Comparing base (6c822bc) to head (3d0ac79).
Report is 7 commits behind head on main.

Files with missing lines	Patch %	Lines
src/info.jl	80.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #179      +/-   ##
==========================================
+ Coverage   85.44%   85.53%   +0.09%     
==========================================
  Files          58       58              
  Lines        4472     4473       +1     
==========================================
+ Hits         3821     3826       +5     
+ Misses        651      647       -4     

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