fix: update gross profit for returned invoices by ljain112 [frappe] PR#44323

From: https://github.com/frappe/erpnext/pull/44323
Date: 2024-11-25 19:05:08+05:30

• fix: test case
• fix: gp for return invoice
• fix: update gross profit for returned invoices

---

Checkout instructions

# Checkout locally
git fetch upstream
git switch ft-pr-44323

# Alternatively, re-take the changes
git switch develop
ft take ft-pr-44323

# Make changes then rebase
git rebase -i develop

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

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