[Backport 2.x] Bugfix in snapshot V2 restore flow

[opensearch-trigger-bot]

Backport dd5a87a from #16332.

[github-actions]

❌ Gradle check result for 6aa6202: 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 6aa6202: 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.

[codecov]

Codecov Report

Attention: Patch coverage is 85.71429% with 1 line in your changes missing coverage. Please review.

Project coverage is 71.80%. Comparing base (40e4a54) to head (6aa6202).
Report is 3 commits behind head on 2.x.

Files with missing lines	Patch %	Lines
...index/translog/RemoteFsTimestampAwareTranslog.java	0.00%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##                2.x   #16348      +/-   ##
============================================
- Coverage     71.81%   71.80%   -0.02%     
- Complexity    65072    65094      +22     
============================================
  Files          5305     5304       -1     
  Lines        304056   304056              
  Branches      44219    44221       +2     
============================================
- Hits         218356   218319      -37     
- Misses        67500    67551      +51     
+ Partials      18200    18186      -14     

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