fix: Recalculate difference amount after setting deductions

erpnext/accounts/doctype/payment_entry/payment_entry.py

@@ -1772,6 +1772,7 @@ def get_payment_entry(
 
 		discount_amount = set_early_payment_discount_loss(pe, doc, valid_discounts, discount_amount)
 		if discount_amount > 0:
+			# Set pending discount amount in deductions
 			pe.set_gain_or_loss(
 				account_details={
 					"account": frappe.get_cached_value("Company", pe.company, "default_discount_account"),
@@ -1780,6 +1781,7 @@ def get_payment_entry(
 					"amount": discount_amount * (-1 if payment_type == "Pay" else 1),
 				}
 			)
+
 		pe.set_difference_amount()
 
 	return pe