fix: pricing rule not ignored in Sales Order (#46248)

* fix: pricing rule not ignored in Sales Order

* test: update parameter do_not_submit to do_not_save

erpnext/accounts/doctype/coupon_code/test_coupon_code.py

@@ -128,7 +128,7 @@ class TestCouponCode(IntegrationTestCase):
 			item_code="_Test Tesla Car",
 			rate=5000,
 			qty=1,
-			do_not_submit=True,
+			do_not_save=True,
 		)
 
 		self.assertEqual(so.items[0].rate, 5000)

erpnext/accounts/doctype/pricing_rule/pricing_rule.py

@@ -454,8 +454,7 @@ def get_pricing_rule_for_item(args, doc=None, for_validate=False):
 
 			if pricing_rule.coupon_code_based == 1:
 				if not args.coupon_code:
-					return item_details
-
+					continue
 				coupon_code = frappe.db.get_value(
 					doctype="Coupon Code", filters={"pricing_rule": pricing_rule.name}, fieldname="name"
 				)