fix(patch): Ensure SLE indexes (backport #46131)

[mergify]

Because of the way this change was pushed in parts, some sites don't see
this as "update" and don't have the new indexes.

---

This is an automatic backport of pull request #46131 done by [Mergify](https://mergify.com).

[mergify]

Cherry-pick of f62aa8f has failed:

On branch mergify/bp/version-14-hotfix/pr-46131
Your branch is up to date with 'origin/version-14-hotfix'.

You are currently cherry-picking commit f62aa8fc57.
  (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)

Changes to be committed:
	new file:   erpnext/stock/doctype/stock_ledger_entry/patches/__init__.py
	new file:   erpnext/stock/doctype/stock_ledger_entry/patches/ensure_sle_indexes.py

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   erpnext/patches.txt

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