[Backport 2.x] Add a flag in QueryShardContext to differentiate inner hit query

[opensearch-trigger-bot[bot]]

Backport c9edb48c1858164cf86c2cc1c7f7d493e01a62bc from #16600.

[github-actions[bot]]

:x: Gradle check result for 19d012e6c8b4c3959f0567e6a41a9e77de27390e: 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[bot]]

:x: Gradle check result for 19d012e6c8b4c3959f0567e6a41a9e77de27390e:

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?

[heemin32]

Flaky test failed.

https://github.com/opensearch-project/OpenSearch/issues/14327

[github-actions[bot]]

:x: Gradle check result for 19d012e6c8b4c3959f0567e6a41a9e77de27390e: 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?

[heemin32]

@msfroh could you re-trigger the test?

[github-actions[bot]]

:white_check_mark: Gradle check result for 19d012e6c8b4c3959f0567e6a41a9e77de27390e: SUCCESS

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 71.86%. Comparing base (94da76d) to head (c83a191). Report is 9 commits behind head on 2.x.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## 2.x #16620 +/- ## ============================================ + Coverage 71.72% 71.86% +0.14% - Complexity 65300 65389 +89 ============================================ Files 5314 5314 Lines 305140 305171 +31 Branches 44458 44464 +6 ============================================ + Hits 218859 219314 +455 + Misses 68025 67504 -521 - Partials 18256 18353 +97 ```

:umbrella: View full report in Codecov by Sentry.
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[github-actions[bot]]

:x: Gradle check result for c83a19181eb8e2f430dbf2cb3cdfcf07450394d3: 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[bot]]

:white_check_mark: Gradle check result for c83a19181eb8e2f430dbf2cb3cdfcf07450394d3: SUCCESS