[8.0](backport #28622) Osquerybeat: Fix host_processes missing cmdline arguments

[mergify]

This is an automatic backport of pull request #28622 done by Mergify.
Cherry-pick of 610e47b has failed:

On branch mergify/bp/8.0/pr-28622
Your branch is up to date with 'origin/8.0'.

You are currently cherry-picking commit 610e47b1c.
  (all conflicts fixed: run "git cherry-pick --continue")
  (use "git cherry-pick --skip" to skip this patch)
  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

nothing to commit, working tree clean

To fix up this pull request, you can check it out locally. See documentation: https://docs.github.com/en/github/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally

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[elasticmachine]

💔 Build Failed

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• Start Time: 2021-11-10T15:18:41.708+0000

• Duration: 5 min 42 sec

• Commit: 55450e4

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• Description: git diff --name-only origin/8.0...55450e4a9dee747be33d4552c65e2a9821559801 > git-diff.txt

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