refactor: ignore unreconcile doc for PO and SO on cancel/delete (backport #41900)

[mergify]

Cannot cancel Sales Order if Payment is unreconciled.

Internal Support Ticket: https://support.frappe.io/app/hd-ticket/17140

Error Message:

---

This is an automatic backport of pull request #41900 done by [Mergify](https://mergify.com).

[mergify]

Cherry-pick of b618d68 has failed:

On branch mergify/bp/version-14-hotfix/pr-41900
Your branch is up to date with 'origin/version-14-hotfix'.

You are currently cherry-picking commit b618d685c6.
  (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:
	modified:   erpnext/buying/doctype/purchase_order/purchase_order.py
	modified:   erpnext/selling/doctype/sales_order/sales_order.py

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   erpnext/buying/doctype/purchase_order/purchase_order.js
	both modified:   erpnext/selling/doctype/sales_order/sales_order.js

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 14.70.7 🎉

The release is available on GitHub release

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