fix(regional): use net figures for sales calc (#38260)

diff --git a/erpnext/regional/report/uae_vat_201/uae_vat_201.py b/erpnext/regional/report/uae_vat_201/uae_vat_201.py
index 59ef58b..6ef21e5 100644
--- a/erpnext/regional/report/uae_vat_201/uae_vat_201.py
+++ b/erpnext/regional/report/uae_vat_201/uae_vat_201.py
@@ -141,7 +141,7 @@
 		return frappe.db.sql(
 			"""
 			select
-				s.vat_emirate as emirate, sum(i.base_amount) as total, sum(i.tax_amount)
+				s.vat_emirate as emirate, sum(i.base_net_amount) as total, sum(i.tax_amount)
 			from
 				`tabSales Invoice Item` i inner join `tabSales Invoice` s
 			on
@@ -356,7 +356,7 @@
 			frappe.db.sql(
 				"""
 			select
-				sum(i.base_amount) as total
+				sum(i.base_net_amount) as total
 			from
 				`tabSales Invoice Item` i inner join `tabSales Invoice` s
 			on
@@ -383,7 +383,7 @@
 			frappe.db.sql(
 				"""
 			select
-				sum(i.base_amount) as total
+				sum(i.base_net_amount) as total
 			from
 				`tabSales Invoice Item` i inner join `tabSales Invoice` s
 			on