Add support for restoring from snapshot with search replicas (#16111)

[vinaykpud]

Back porting the commit to 2.x.
Original PR: #16111

[github-actions]

❌ Gradle check result for 81eee96: 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 81eee96: SUCCESS

[codecov]

Codecov Report

Attention: Patch coverage is 90.00000% with 1 line in your changes missing coverage. Please review.

Project coverage is 71.70%. Comparing base (3493566) to head (81eee96).
Report is 1 commits behind head on 2.x.

Files with missing lines	Patch %	Lines
.../java/org/opensearch/snapshots/RestoreService.java	85.71%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##                2.x   #16478      +/-   ##
============================================
- Coverage     71.78%   71.70%   -0.09%     
+ Complexity    65336    65308      -28     
============================================
  Files          5312     5312              
  Lines        304993   305003      +10     
  Branches      44440    44443       +3     
============================================
- Hits         218939   218691     -248     
- Misses        67831    68075     +244     
- Partials      18223    18237      +14     

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