fix: implement close warning for job openings and related validation. (backport #4798) [frappe] PR#4868/v5-dev

From: https://github.com/frappe/hrms/pull/4868/v5-dev
Date: 2026-06-25 17:39:22+05:30

• fix: implement close warning for job openings and related validation.

---

Checkout instructions

# Checkout locally
git fetch upstream
git switch ft-pr-4868/v5-dev

# Alternatively, re-take the changes
git switch v5-dev
ft take ft-pr-4868/v5-dev

# Make changes then rebase
git rebase -i v5-dev

# Fix or ignore conflicts
git checkout --theirs .
git rebase --continue

# Force-push changes
git push --force-with-lease