* Fix for Issue #26798
This PR is a fix for GitHub Issue 26798:
https://github.com/frappe/erpnext/issues/26798
TLDR: When an Address is updated, and that Address is a Customer's Primary Address, update the Read Only field `customer.primary_address`
* Update address.py
Co-authored-by: Deepesh Garg <42651287+deepeshgarg007@users.noreply.github.com>