Add option: field sensitive soundness for std::function problem

[hiruwaKS]

This is the PR, but I don't really want it merged — it's just a trial
please see: #1819
Thank you!

[yuleisui]

This is the PR, but I don't really want it merged — it's just a trial please see: #1819 Thank you!

Thank you.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 67.89%. Comparing base (dc7da7e) to head (1f55c94).

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1884   +/-   ##
=======================================
  Coverage   67.89%   67.89%           
=======================================
  Files         261      261           
  Lines       26677    26682    +5     
  Branches     5110     5115    +5     
=======================================
+ Hits        18112    18117    +5     
  Misses       8565     8565           

Files with missing lines	Coverage Δ
svf-llvm/lib/SVFIRBuilder.cpp	89.46% <100.00%> (+0.04%)	⬆️
svf/include/SVFIR/SVFVariables.h	70.28% <ø> (-0.56%)	⬇️
svf/lib/MemoryModel/PointerAnalysis.cpp	62.44% <100.00%> (+0.16%)	⬆️
svf/lib/SVFIR/SVFVariables.cpp	69.43% <100.00%> (+0.68%)	⬆️

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