[Backport 2.x][Segment Replication] Support realtime reads for GET requests (#9212)

[Poojita-Raj]

Manual backport of #9212 due to changelog conflict.

[opensearch-trigger-bot]

Compatibility status:

Checks if related components are compatible with change d555d1d

Incompatible components

Incompatible components: [https://github.com/opensearch-project/notifications.git, https://github.com/opensearch-project/index-management.git, https://github.com/opensearch-project/alerting.git, https://github.com/opensearch-project/performance-analyzer.git]

Skipped components

Compatible components

Compatible components: [https://github.com/opensearch-project/geospatial.git, https://github.com/opensearch-project/security.git, https://github.com/opensearch-project/neural-search.git, https://github.com/opensearch-project/security-analytics.git, https://github.com/opensearch-project/sql.git, https://github.com/opensearch-project/job-scheduler.git, https://github.com/opensearch-project/observability.git, https://github.com/opensearch-project/k-nn.git, https://github.com/opensearch-project/anomaly-detection.git, https://github.com/opensearch-project/asynchronous-search.git, https://github.com/opensearch-project/cross-cluster-replication.git, https://github.com/opensearch-project/common-utils.git, https://github.com/opensearch-project/reporting.git, https://github.com/opensearch-project/performance-analyzer-rca.git, https://github.com/opensearch-project/ml-commons.git]

[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: UNSTABLE ❕
• TEST FAILURES:

      1 org.opensearch.search.SearchWeightedRoutingIT.testSearchAggregationWithNetworkDisruption_FailOpenEnabled

• URL: https://build.ci.opensearch.org/job/gradle-check/22992/
• CommitID: bfb2706
  Please review all flaky tests that succeeded after retry and create an issue if one does not already exist to track the flaky failure.

[codecov]

Codecov Report

Merging #9421 (bfb2706) into 2.x (4cb5e66) will decrease coverage by 0.04%.
Report is 1 commits behind head on 2.x.
The diff coverage is 66.66%.

@@             Coverage Diff              @@
##                2.x    #9421      +/-   ##
============================================
- Coverage     70.82%   70.78%   -0.04%     
- Complexity    57570    57614      +44     
============================================
  Files          4762     4762              
  Lines        272058   272064       +6     
  Branches      40110    40111       +1     
============================================
- Hits         192681   192592      -89     
- Misses        62900    63009     +109     
+ Partials      16477    16463      -14     

Files Changed	Coverage Δ
...opensearch/action/get/TransportMultiGetAction.java	43.63% <0.00%> (-1.65%)	⬇️
.../org/opensearch/action/get/TransportGetAction.java	66.00% <80.00%> (-1.40%)	⬇️

... and 464 files with indirect coverage changes

[Poojita-Raj]

Gradle Check (Jenkins) Run Completed with:

* **RESULT:** UNSTABLE ❕

* **TEST FAILURES:**

      1 org.opensearch.search.SearchWeightedRoutingIT.testSearchAggregationWithNetworkDisruption_FailOpenEnabled

* **URL:** https://build.ci.opensearch.org/job/gradle-check/22992/

* **CommitID:** [bfb2706](https://github.com/opensearch-project/OpenSearch/commit/bfb2706616547c2a558a79255ddf7c26f2142fc7)
  Please review all [flaky tests](https://github.com/opensearch-project/OpenSearch/blob/main/DEVELOPER_GUIDE.md#flaky-tests) that succeeded after retry and create an issue if one does not already exist to track the flaky failure.

flaky: #5957