[6.1.6 Cherry-pick - CONFLICTS] Fix | SqlVector: Explicitly perform little-endian multibyte writes

[github-actions]

Cherry-pick of #3861 (fdbc56e) into release/6.1 failed due to merge conflicts.

Please resolve manually:

git fetch origin
git checkout dev/automation/pr-3861-to-6.1.6\ngit cherry-pick fdbc56e7b9b87d8a7043603b22ebf4a4bab35be8
# resolve conflicts
git push origin dev/automation/pr-3861-to-6.1.6 --force\n```

[cheenamalhotra]

Closing as the PR is conflicted.