fix: difference amount calculation for company currency accounts

(cherry picked from commit 48fae0c1ce)

erpnext/accounts/doctype/payment_reconciliation/payment_reconciliation.py

@@ -221,6 +221,9 @@ class PaymentReconciliation(Document):
 
 	def get_difference_amount(self, payment_entry, invoice, allocated_amount):
 		difference_amount = 0
+		if frappe.get_cached_value(
+			"Account", self.receivable_payable_account, "account_currency"
+		) != frappe.get_cached_value("Company", self.company, "default_currency"):
 			if invoice.get("exchange_rate") and payment_entry.get("exchange_rate", 1) != invoice.get(
 				"exchange_rate", 1
 			):