search returns detector type in CAPS fix and integration tests

[raj-chak]

Signed-off-by: Raj Chakravarthi raj@icedome.ca

Description

After this change, the detector type will be returned in small case during search.
Also, integration tests are written to ensure that happens in create, update, get , search detector.

Issues Resolved

(#173)

Check List

• New functionality includes testing.
  • All tests pass
• New functionality has been documented.
  • New functionality has javadoc added
• Commits are signed per the DCO using --signoff

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[codecov-commenter]

Codecov Report

Merging #174 (57b8640) into main (a4a542d) will decrease coverage by 0.12%.
The diff coverage is 44.00%.

@@             Coverage Diff              @@
##               main     #174      +/-   ##
============================================
- Coverage     39.06%   38.94%   -0.13%     
  Complexity      891      891              
============================================
  Files           176      176              
  Lines          6724     6746      +22     
  Branches        820      823       +3     
============================================
  Hits           2627     2627              
- Misses         3856     3877      +21     
- Partials        241      242       +1     

Impacted Files	Coverage Δ
...rch/securityanalytics/action/IndexRuleRequest.java	0.00% <0.00%> (ø)
...yanalytics/transport/TransportGetAlertsAction.java	0.00% <ø> (ø)
...nalytics/transport/TransportGetFindingsAction.java	0.00% <0.00%> (ø)
...yanalytics/transport/TransportIndexRuleAction.java	0.00% <0.00%> (ø)
...alytics/config/monitors/DetectorMonitorConfig.java	53.84% <31.25%> (ø)
...rch/securityanalytics/mapper/MapperTopicStore.java	77.77% <100.00%> (ø)
...g/opensearch/securityanalytics/model/Detector.java	69.89% <100.00%> (-0.70%)	⬇️
...earch/securityanalytics/model/DetectorTrigger.java	56.14% <100.00%> (+0.51%)	⬆️
...opensearch/securityanalytics/util/RuleIndices.java	0.00% <0.00%> (ø)
... and 5 more

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[eirsep]

It's fine to return smallcase in response but we should be able to handle case agnostic input from client