[Backport 2.x] Separated DLS/FLS privilege evaluation from action privilege evaluation

[opensearch-trigger-bot]

Backport dabff35 from #4490.

[codecov]

Codecov Report

Attention: Patch coverage is 89.09091% with 6 lines in your changes missing coverage. Please review.

Project coverage is 65.18%. Comparing base (6b31b04) to head (08d17ee).

Additional details and impacted files

@@            Coverage Diff             @@
##              2.x    #4539      +/-   ##
==========================================
+ Coverage   65.11%   65.18%   +0.06%     
==========================================
  Files         312      313       +1     
  Lines       21905    21942      +37     
  Branches     3554     3556       +2     
==========================================
+ Hits        14263    14302      +39     
+ Misses       5860     5857       -3     
- Partials     1782     1783       +1     

Files	Coverage Δ
...ity/configuration/DlsFilterLevelActionHandler.java	57.60% <100.00%> (+0.39%)	⬆️
...rch/security/configuration/DlsFlsRequestValve.java	0.00% <ø> (ø)
...search/security/configuration/DlsFlsValveImpl.java	59.93% <100.00%> (+0.88%)	⬆️
...org/opensearch/security/filter/SecurityFilter.java	65.87% <100.00%> (-0.32%)	⬇️
...curity/privileges/PrivilegesEvaluationContext.java	100.00% <100.00%> (ø)
.../opensearch/security/OpenSearchSecurityPlugin.java	84.37% <50.00%> (+0.02%)	⬆️
...curity/privileges/PrivilegesEvaluatorResponse.java	80.95% <0.00%> (-1.66%)	⬇️
...earch/security/privileges/PrivilegesEvaluator.java	71.87% <71.42%> (-0.42%)	⬇️

... and 4 files with indirect coverage changes