[Backport 2.x] Fix assertion failure in updateGlobalCheckpointOnReplica() with remote translog

[opensearch-trigger-bot]

Backport 95c6ed9 from #6975.

[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: FAILURE ❌
• URL: https://build.ci.opensearch.org/job/gradle-check/13394/
• CommitID: 33fee9a
  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?

[codecov-commenter]

Codecov Report

Merging #6978 (068ec12) into 2.x (068ec12) will not change coverage.
The diff coverage is n/a.

❗ Current head 068ec12 differs from pull request most recent head 33fee9a. Consider uploading reports for the commit 33fee9a to get more accurate results

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@@            Coverage Diff            @@
##                2.x    #6978   +/-   ##
=========================================
  Coverage     70.38%   70.38%           
  Complexity    59505    59505           
=========================================
  Files          4811     4811           
  Lines        285577   285577           
  Branches      41516    41516           
=========================================
  Hits         200997   200997           
  Misses        67835    67835           
  Partials      16745    16745           

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[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: UNSTABLE ❕
• TEST FAILURES:

      2 org.opensearch.cluster.service.MasterServiceTests.classMethod
      1 org.opensearch.cluster.service.MasterServiceTests.testThrottlingForMultipleTaskTypes
      1 org.opensearch.cluster.allocation.AwarenessAllocationIT.testThreeZoneOneReplicaWithForceZoneValueAndLoadAwareness

• URL: https://build.ci.opensearch.org/job/gradle-check/13469/
• CommitID: 33fee9a
  Please review all flaky tests that succeeded after retry and create an issue if one does not already exist to track the flaky failure.