Reduce amount of duplicate code in HighsSymmetry

[fwesselm]

Added methods to reduce amount of similar/duplicate code in HighsSymmetry class

[codecov]

Codecov Report

❌ Patch coverage is 87.64045% with 33 lines in your changes missing coverage. Please review.
✅ Project coverage is 73.04%. Comparing base (b196d7a) to head (79b0314).
⚠️ Report is 3 commits behind head on latest.

Files with missing lines	Patch %	Lines
highs/presolve/HighsSymmetry.cpp	69.23%	32 Missing ⚠️
check/TestSymmetry.cpp	99.38%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           latest    #3215      +/-   ##
==========================================
+ Coverage   72.77%   73.04%   +0.26%     
==========================================
  Files         444      445       +1     
  Lines      107469   107591     +122     
  Branches    17290    17248      -42     
==========================================
+ Hits        78213    78589     +376     
+ Misses      28979    28726     -253     
+ Partials      277      276       -1     

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[Opt-Mucca]

Looks good!

[fwesselm]

Looks good!

@Opt-Mucca, I added a test for this. I hope you agree that this is worth having.

[Opt-Mucca]

@fwesselm tests are rarely worth not having. I didn't expect you manage to more code simplifications too! Happy the new changes as well.