Fix ResourceType API annotations and deprecations

[reta]

Description

Fix ResourceType API annottations and deprecations

Related Issues

Follow up on #15486

Check List

• Functionality includes testing.
• API changes companion pull request created, if applicable.
• Public documentation issue/PR created, if applicable.

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[github-actions]

❕ Gradle check result for 6691ebd: UNSTABLE

Please review all flaky tests that succeeded after retry and create an issue if one does not already exist to track the flaky failure.

[github-actions]

❌ Gradle check result for 994566e: FAILURE

Please examine the workflow log, locate, and copy-paste the failure(s) below, then iterate to green. Is the failure a flaky test unrelated to your change?

[github-actions]

❌ Gradle check result for 2f7a9f1: FAILURE

Please examine the workflow log, locate, and copy-paste the failure(s) below, then iterate to green. Is the failure a flaky test unrelated to your change?

[github-actions]

✅ Gradle check result for c4396cc: SUCCESS

[codecov]

Codecov Report

Attention: Patch coverage is 50.00000% with 1 line in your changes missing coverage. Please review.

Project coverage is 71.62%. Comparing base (c2574a5) to head (c4396cc).
Report is 1 commits behind head on 2.x.

Files with missing lines	Patch %	Lines
.../main/java/org/opensearch/search/ResourceType.java	0.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##                2.x   #15496      +/-   ##
============================================
- Coverage     71.69%   71.62%   -0.07%     
+ Complexity    63599    63492     -107     
============================================
  Files          5221     5221              
  Lines        297593   297593              
  Branches      43314    43314              
============================================
- Hits         213351   213145     -206     
- Misses        66442    66579     +137     
- Partials      17800    17869      +69     

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