[Forward port 2.x] Fixing dls/fls logic around numeric aggregations

[kaituo]

Forward port 44de1c4 from #787

Signed-off-by: Kaituo Li [email protected]

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[codecov-commenter]

Codecov Report

Merging #800 (04af7d5) into 2.x (ca746f5) will increase coverage by 0.01%.
The diff coverage is 69.17%.

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@@             Coverage Diff              @@
##                2.x     #800      +/-   ##
============================================
+ Coverage     79.58%   79.59%   +0.01%     
- Complexity     4317     4332      +15     
============================================
  Files           303      307       +4     
  Lines         18023    18144     +121     
  Branches       1914     1909       -5     
============================================
+ Hits          14343    14442      +99     
- Misses         2772     2789      +17     
- Partials        908      913       +5     

Flag	Coverage Δ
plugin	79.59% <69.17%> (+0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
...est/handler/IndexAnomalyDetectorActionHandler.java	100.00% <ø> (ø)
.../ad/rest/handler/ModelValidationActionHandler.java	0.00% <0.00%> (ø)
.../handler/ValidateAnomalyDetectorActionHandler.java	100.00% <ø> (ø)
...c/main/java/org/opensearch/ad/util/ParseUtils.java	77.85% <ø> (ø)
...rc/main/java/org/opensearch/ad/util/Throttler.java	80.00% <0.00%> (-20.00%)	⬇️
...rg/opensearch/ad/AnomalyDetectorProfileRunner.java	67.95% <53.84%> (-0.41%)	⬇️
...a/org/opensearch/ad/util/SafeSecurityInjector.java	57.57% <57.57%> (ø)
...va/org/opensearch/ad/AnomalyDetectorJobRunner.java	80.50% <61.90%> (+0.19%)	⬆️
...org/opensearch/ad/util/ADSafeSecurityInjector.java	72.41% <72.41%> (ø)
...main/java/org/opensearch/ad/util/SecurityUtil.java	87.50% <87.50%> (ø)
... and 23 more