fix: allow allowed roles to bypass over billing validation

(cherry picked from commit 0412701)

Author: mihir-kandoi

erpnext/stock/doctype/purchase_receipt/purchase_receipt.py

@@ -1246,7 +1246,9 @@ def get_billed_amount_against_po(po_items):
 def update_billing_percentage(pr_doc, update_modified=True, adjust_incoming_rate=False):
 	# Update Billing % based on pending accepted qty
 	buying_settings = frappe.get_single("Buying Settings")
-	over_billing_allowance = frappe.get_single_value("Accounts Settings", "over_billing_allowance")
+	over_billing_allowance, role_allowed_to_over_bill = frappe.get_single_value(
+		"Accounts Settings", ["over_billing_allowance", "role_allowed_to_over_bill"]
+	)
 
 	total_amount, total_billed_amount, pi_landed_cost_amount = 0, 0, 0
 	item_wise_returned_qty = get_item_wise_returned_qty(pr_doc)
@@ -1304,7 +1306,10 @@ def update_billing_percentage(pr_doc, update_modified=True, adjust_incoming_rate
 			item.db_set("amount_difference_with_purchase_invoice", adjusted_amt, update_modified=False)
 		elif amount and item.billed_amt > amount:
 			per_over_billed = (flt(item.billed_amt / amount, 2) * 100) - 100
-			if per_over_billed > over_billing_allowance:
+			if (
+				per_over_billed > over_billing_allowance
+				and role_allowed_to_over_bill not in frappe.get_roles()
+			):
 				frappe.throw(
 					_("Over Billing Allowance exceeded for Purchase Receipt Item {0} ({1}) by {2}%").format(
 						item.name, frappe.bold(item.item_code), per_over_billed - over_billing_allowance