[FIX] account_payment_pro: Fix incorrect selected debt when paying with Pay Now in a different currency

Author: rov-adhoc

account_payment_pro/models/account_payment.py

@@ -506,9 +506,13 @@ def action_post_and_new(self):
     def _compute_selected_debt(self):
         for rec in self:
             # factor = 1
-            rec.selected_debt = sum(rec.to_pay_move_line_ids._origin.mapped("amount_residual")) * (
-                -1.0 if rec.partner_type == "supplier" else 1.0
-            )
+            amount_residual = sum(rec.to_pay_move_line_ids._origin.mapped("amount_residual"))
+            if self.env.context.get("pay_now") and amount_residual != sum(
+                rec.to_pay_move_line_ids._origin.mapped("amount_residual_currency")
+            ):
+                amount_residual = sum(rec.to_pay_move_line_ids._origin.mapped("amount_residual_currency"))
+            rec.selected_debt = amount_residual * (-1.0 if rec.partner_type == "supplier" else 1.0)
+
             # TODO error en la creacion de un payment desde el menu?
             # if rec.payment_type == 'outbound' and rec.partner_type == 'customer' or \
             #         rec.payment_type == 'inbound' and rec.partner_type == 'supplier':