refactor: docshare get_users (backport #21924)

[mergify]

This is an automatic backport of pull request #21924 done by Mergify.
Cherry-pick of 011d21b has failed:

On branch mergify/bp/version-13-hotfix/pr-21924
Your branch is up to date with 'origin/version-13-hotfix'.

You are currently cherry-picking commit 011d21b4a3.
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Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   frappe/desk/form/load.py
	both modified:   frappe/share.py

no changes added to commit (use "git add" and/or "git commit -a")

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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[frappe-pr-bot]

🎉 This PR is included in version 13.58.5 🎉

The release is available on GitHub release

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