[Backport 1.3] When excluding fields also exclude the term + .keyword

[opensearch-trigger-bot]

Backport cb81cc6 from #2378

[codecov-commenter]

Codecov Report

Merging #2385 (cb81cc6) into 1.3 (43244d2) will increase coverage by 0.22%.
The diff coverage is 73.68%.

❗ Current head cb81cc6 differs from pull request most recent head 4b9619b. Consider uploading reports for the commit 4b9619b to get more accurate results

@@             Coverage Diff              @@
##                1.3    #2385      +/-   ##
============================================
+ Coverage     64.43%   64.66%   +0.22%     
- Complexity     3219     3223       +4     
============================================
  Files           247      247              
  Lines         17344    17365      +21     
  Branches       3073     3086      +13     
============================================
+ Hits          11176    11229      +53     
+ Misses         4622     4588      -34     
- Partials       1546     1548       +2     

Impacted Files	Coverage Δ
...earch/security/resolver/IndexResolverReplacer.java	63.97% <54.54%> (+0.10%)	⬆️
...security/configuration/DlsFlsFilterLeafReader.java	62.44% <100.00%> (+1.02%)	⬆️
...security/dlic/rest/api/InternalUsersApiAction.java	83.78% <100.00%> (+1.43%)	⬆️
...earch/security/privileges/PrivilegesEvaluator.java	71.57% <100.00%> (ø)
...g/opensearch/security/auditlog/sink/Log4JSink.java	48.00% <0.00%> (-12.00%)	⬇️
...search/security/securityconf/impl/v7/ConfigV7.java	72.12% <0.00%> (-1.82%)	⬇️
...search/security/configuration/DlsFlsValveImpl.java	70.22% <0.00%> (-1.52%)	⬇️
...g/opensearch/security/support/WildcardMatcher.java	61.03% <0.00%> (-0.65%)	⬇️
...pensearch/security/securityconf/ConfigModelV7.java	63.90% <0.00%> (-0.57%)	⬇️
...ensearch/security/ssl/DefaultSecurityKeyStore.java	68.93% <0.00%> (-0.15%)	⬇️
... and 16 more

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