fix: Zero division error while fetching unconsumed materials (backport #27293)

[mergify]

Issue:

 File ".../apps/erpnext/erpnext/stock/doctype/stock_entry/stock_entry.py", line 1003, in get_items
    self.get_unconsumed_raw_materials()
  File ".../apps/erpnext/erpnext/stock/doctype/stock_entry/stock_entry.py", line 1200, in get_unconsumed_raw_materials
    (flt(work_order_qty) - flt(wo.produced_qty))
ZeroDivisionError: float division by zero
```<hr>This is an automatic backport of pull request #27293 done by [Mergify](https://mergify.com).

[mergify]

Cherry-pick of 9506c14 has failed:

On branch mergify/bp/version-13-hotfix/pr-27293
Your branch is up to date with 'origin/version-13-hotfix'.

You are currently cherry-picking commit 9506c14d35.
  (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:   erpnext/stock/doctype/stock_entry/stock_entry.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