[Follow-up #9386] Add TODO and omit for hide missing values for SQL and PPL

[ananzh]

Description

Follow-up #9386 comment: #9386 (comment)

Issues Resolved

Follow-up PR:
#9386

Screenshot

Testing the changes

Changelog

• skip

Check List

• All tests pass
  • yarn test:jest
  • yarn test:jest_integration
• New functionality includes testing.
• New functionality has been documented.
• Update CHANGELOG.md
• Commits are signed per the DCO using --signoff

[github-actions]

❌ Empty Changelog Section

The Changelog section in your PR description is empty. Please add a valid changelog entry or entries. If you did add a changelog entry, check to make sure that it was not accidentally included inside the comment block in the Changelog section.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 61.71%. Comparing base (c220796) to head (52514b6).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #9402   +/-   ##
=======================================
  Coverage   61.71%   61.71%           
=======================================
  Files        3817     3817           
  Lines       91860    91860           
  Branches    14551    14551           
=======================================
  Hits        56695    56695           
  Misses      31508    31508           
  Partials     3657     3657           

Flag	Coverage Δ
Linux_1	29.00% <ø> (ø)
Linux_2	56.46% <ø> (ø)
Linux_3	39.20% <ø> (?)
Linux_4	28.90% <ø> (ø)
Windows_1	29.01% <ø> (ø)
Windows_2	56.41% <ø> (ø)
Windows_3	39.20% <ø> (ø)
Windows_4	28.90% <ø> (ø)

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[opensearch-trigger-bot]

The backport to 2.x failed:

The process '/usr/bin/git' failed with exit code 128

To backport manually, run these commands in your terminal:

# Navigate to the root of your repository
cd $(git rev-parse --show-toplevel)
# Fetch latest updates from GitHub
git fetch
# Create a new working tree
git worktree add ../.worktrees/OpenSearch-Dashboards/backport-2.x 2.x
# Navigate to the new working tree
pushd ../.worktrees/OpenSearch-Dashboards/backport-2.x
# Create a new branch
git switch --create backport/backport-9402-to-2.x
# Cherry-pick the merged commit of this pull request and resolve the conflicts
git cherry-pick -x --mainline 1 2b6e7bfd5a11f21fc0ad883f40022abf8989bf3a
# Push it to GitHub
git push --set-upstream origin backport/backport-9402-to-2.x
# Go back to the original working tree
popd
# Delete the working tree
git worktree remove ../.worktrees/OpenSearch-Dashboards/backport-2.x

Then, create a pull request where the base branch is 2.x and the compare/head branch is backport/backport-9402-to-2.x.