[CLIENT-3106] Refactor policy code (complete refactor)

[juliannguyen4]

• Replace macros for setting policies with inline code to make easier to debug and read, as well as to keep all the conversion code in one place and reduce the number of codepaths

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 0.00%. Comparing base (d1e7bc2) to head (ae25f79).
Report is 14 commits behind head on dev.

Additional details and impacted files

@@            Coverage Diff             @@
##              dev    #665       +/-   ##
==========================================
- Coverage   80.96%   0.00%   -80.97%     
==========================================
  Files         100      17       -83     
  Lines       15130    3621    -11509     
==========================================
- Hits        12250       0    -12250     
- Misses       2880    3621      +741     

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