refactor: usage of in_list

(cherry picked from commit d238751e6b)

# Conflicts:
#	erpnext/accounts/doctype/payment_entry/payment_entry.js
#	erpnext/buying/doctype/purchase_order/purchase_order.js
#	erpnext/public/js/controllers/accounts.js
#	erpnext/public/js/controllers/buying.js
#	erpnext/public/js/controllers/transaction.js
#	erpnext/public/js/utils/sales_common.js
#	erpnext/templates/form_grid/item_grid.html

erpnext/public/js/controllers/accounts.js

@@ -5,6 +5,7 @@
 frappe.provide("erpnext.taxes");
 frappe.provide("erpnext.taxes.flags");
 
+<<<<<<< HEAD
 frappe.ui.form.on(cur_frm.doctype, {
 	setup: function(frm) {
 		// set conditional display for rate column in taxes
@@ -12,6 +13,58 @@ frappe.ui.form.on(cur_frm.doctype, {
 			if(in_list(['Sales Taxes and Charges', 'Purchase Taxes and Charges'], grid_row.doc.doctype)) {
 				erpnext.taxes.set_conditional_mandatory_rate_or_amount(grid_row);
 			}
+=======
+erpnext.accounts.taxes = {
+	setup_tax_validations: function(doctype) {
+		let me = this;
+		frappe.ui.form.on(doctype, {
+			setup: function(frm) {
+				// set conditional display for rate column in taxes
+				$(frm.wrapper).on('grid-row-render', function(e, grid_row) {
+					if(['Sales Taxes and Charges', 'Purchase Taxes and Charges'].includes(grid_row.doc.doctype)) {
+						me.set_conditional_mandatory_rate_or_amount(grid_row);
+					}
+				});
+			},
+			onload: function(frm) {
+				if(frm.get_field("taxes")) {
+					frm.set_query("account_head", "taxes", function(doc) {
+						if(frm.cscript.tax_table == "Sales Taxes and Charges") {
+							var account_type = ["Tax", "Chargeable", "Expense Account"];
+						} else {
+							var account_type = ["Tax", "Chargeable", "Income Account", "Expenses Included In Valuation"];
+						}
+
+						return {
+							query: "erpnext.controllers.queries.tax_account_query",
+							filters: {
+								"account_type": account_type,
+								"company": doc.company,
+							}
+						}
+					});
+					frm.set_query("cost_center", "taxes", function(doc) {
+						return {
+							filters: {
+								"company": doc.company,
+								"is_group": 0
+							}
+						};
+					});
+				}
+			},
+			validate: function(frm) {
+				// neither is absolutely mandatory
+				if(frm.get_docfield("taxes")) {
+					frm.get_docfield("taxes", "rate").reqd = 0;
+					frm.get_docfield("taxes", "tax_amount").reqd = 0;
+				}
+
+			},
+			taxes_on_form_rendered: function(frm) {
+				me.set_conditional_mandatory_rate_or_amount(frm.open_grid_row());
+			},
+>>>>>>> d238751e6b (refactor: usage of in_list)
 		});
 	},
 	onload: function(frm) {