fix: set `billing_address` for purchases in `get_party_details`
diff --git a/erpnext/accounts/party.py b/erpnext/accounts/party.py
index e39f22b..67cf644 100644
--- a/erpnext/accounts/party.py
+++ b/erpnext/accounts/party.py
@@ -207,7 +207,7 @@
 			)
 
 	if company_address:
-		party_details.update({"company_address": company_address})
+		party_details.company_address = company_address
 	else:
 		party_details.update(get_company_address(company))
 
@@ -219,12 +219,31 @@
 		get_regional_address_details(party_details, doctype, company)
 
 	elif doctype and doctype in ["Purchase Invoice", "Purchase Order", "Purchase Receipt"]:
-		if party_details.company_address:
-			party_details["shipping_address"] = shipping_address or party_details["company_address"]
-			party_details.shipping_address_display = get_address_display(party_details["shipping_address"])
+		if shipping_address:
 			party_details.update(
-				get_fetch_values(doctype, "shipping_address", party_details.shipping_address)
+				shipping_address=shipping_address,
+				shipping_address_display=get_address_display(shipping_address),
+				**get_fetch_values(doctype, "shipping_address", shipping_address)
 			)
+
+		if party_details.company_address:
+			# billing address
+			party_details.update(
+				billing_address=party_details.company_address,
+				billing_address_display=(
+					party_details.company_address_display or get_address_display(party_details.company_address)
+				),
+				**get_fetch_values(doctype, "billing_address", party_details.company_address)
+			)
+
+			# shipping address - if not already set
+			if not party_details.shipping_address:
+				party_details.update(
+					shipping_address=party_details.billing_address,
+					shipping_address_display=party_details.billing_address_display,
+					**get_fetch_values(doctype, "shipping_address", party_details.billing_address)
+				)
+
 		get_regional_address_details(party_details, doctype, company)
 
 	return party_details.get(billing_address_field), party_details.shipping_address_name
diff --git a/erpnext/controllers/buying_controller.py b/erpnext/controllers/buying_controller.py
index 036733c..c0f3745 100644
--- a/erpnext/controllers/buying_controller.py
+++ b/erpnext/controllers/buying_controller.py
@@ -86,6 +86,7 @@
 					company=self.company,
 					party_address=self.get("supplier_address"),
 					shipping_address=self.get("shipping_address"),
+					company_address=self.get("billing_address"),
 					fetch_payment_terms_template=not self.get("ignore_default_payment_terms_template"),
 					ignore_permissions=self.flags.ignore_permissions,
 				)
diff --git a/erpnext/public/js/controllers/transaction.js b/erpnext/public/js/controllers/transaction.js
index 85485fc..c0a8c9e 100644
--- a/erpnext/public/js/controllers/transaction.js
+++ b/erpnext/public/js/controllers/transaction.js
@@ -1,7 +1,6 @@
 // Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and Contributors
 // License: GNU General Public License v3. See license.txt
 
-frappe.provide('erpnext.accounts.dimensions');
 
 erpnext.TransactionController = class TransactionController extends erpnext.taxes_and_totals {
 	setup() {
@@ -794,24 +793,6 @@
 				set_party_account(set_pricing);
 			});
 
-			// Get default company billing address in Purchase Invoice, Order and Receipt
-			if (this.frm.doc.company && frappe.meta.get_docfield(this.frm.doctype, "billing_address")) {
-				frappe.call({
-					method: "erpnext.setup.doctype.company.company.get_default_company_address",
-					args: {name: this.frm.doc.company, existing_address: this.frm.doc.billing_address || ""},
-					debounce: 2000,
-					callback: function(r) {
-						if (r.message) {
-							me.frm.set_value("billing_address", r.message);
-						} else {
-							if (frappe.meta.get_docfield(me.frm.doctype, 'company_address')) {
-								me.frm.set_value("company_address", "");
-							}
-						}
-					}
-				});
-			}
-
 		} else {
 			set_party_account(set_pricing);
 		}