perf: compact prepared report files (backport #25370)

[mergify]

This is an automatic backport of pull request #25370 done by Mergify.
Cherry-pick of 135fd33 has failed:

On branch mergify/bp/version-14-hotfix/pr-25370
Your branch is up to date with 'origin/version-14-hotfix'.

You are currently cherry-picking commit 135fd33102.
  (fix conflicts and 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)

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   frappe/core/doctype/prepared_report/prepared_report.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/pull-requests/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally

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[mergify]

Cherry-pick of 135fd33 has failed:

On branch mergify/bp/version-14-hotfix/pr-25370
Your branch is up to date with 'origin/version-14-hotfix'.

You are currently cherry-picking commit 135fd33102.
  (fix conflicts and 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)

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   frappe/core/doctype/prepared_report/prepared_report.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/pull-requests/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally

[frappe-pr-bot]

🎉 This PR is included in version 14.68.0 🎉

The release is available on GitHub release

Your semantic-release bot 📦🚀