[NPM] Decoupling resource cache maps from NSmap

[vakalapa]

Reason for Change:

Issue Fixed:

Requirements:

• uses conventional commit messages
• includes documentation
• adds unit tests

Notes:

[codecov]

Codecov Report

Merging #820 (f93a3a2) into master (d169929) will decrease coverage by 0.25%.
The diff coverage is 35.15%.

@@            Coverage Diff             @@
##           master     #820      +/-   ##
==========================================
- Coverage   42.18%   41.92%   -0.26%     
==========================================
  Files         152      152              
  Lines       14335    14373      +38     
==========================================
- Hits         6047     6026      -21     
- Misses       7561     7616      +55     
- Partials      727      731       +4     

[neaggarwMS]

What is the difference between processed NP key and raw NP policy, why cant they be same?

[vakalapa]

processed Key is based on the pod selector, if different netpols with different names have same pod selector, we are creating a single processedNp aggregating all the rules for the podselector on which we are applying

[neaggarwMS]