fix: update total in words after updating items (#24602)

* fix: Update total in words after Updating items

Update total in words after Updating items in sales/purchase orders.
Port of #24592

Closes ISS-20-21-09425

* test: Add test for total & words after update item

Add test for total & words after updating items in sales order.

erpnext/controllers/accounts_controller.py

@@ -1503,6 +1503,7 @@ def update_child_qty_rate(parent_doctype, trans_items, parent_doctype_name, chil
 	parent.flags.ignore_validate_update_after_submit = True
 	parent.set_qty_as_per_stock_uom()
 	parent.calculate_taxes_and_totals()
+	parent.set_total_in_words()
 	if parent_doctype == "Sales Order":
 		make_packing_list(parent)
 		parent.set_gross_profit()

erpnext/selling/doctype/sales_order/test_sales_order.py

@@ -325,6 +325,9 @@ class TestSalesOrder(unittest.TestCase):
 		create_dn_against_so(so.name, 4)
 		make_sales_invoice(so.name)
 
+		prev_total = so.get("base_total")
+		prev_total_in_words = so.get("base_in_words")
+
 		first_item_of_so = so.get("items")[0]
 		trans_item = json.dumps([
 			{'item_code' : first_item_of_so.item_code, 'rate' : first_item_of_so.rate, \
@@ -340,6 +343,12 @@ class TestSalesOrder(unittest.TestCase):
 		self.assertEqual(so.get("items")[-1].amount, 1400)
 		self.assertEqual(so.status, 'To Deliver and Bill')
 
+		updated_total = so.get("base_total")
+		updated_total_in_words = so.get("base_in_words")
+
+		self.assertEqual(updated_total, prev_total+1400)
+		self.assertNotEqual(updated_total_in_words, prev_total_in_words)
+
 	def test_update_child_removing_item(self):
 		so = make_sales_order(**{
 			"item_list": [{