[FIX] payment_sips: rounding error

- Activate SIPS
- Make a payment of 263.90 on the eCommerce

The SO is not confirmed because there is 0.01 of difference.

This is due to the fact that 263.90 * 100 = 26389.9999...

Using `round` instead of `int` prevents truncating the value.

opw-2179123

closes odoo/odoo#48169

X-original-commit: 60f9cea444df37e685b7f4312c9ff28c395822b3
Signed-off-by: Nicolas Martinelli (nim) <nim@odoo.com>

addons/payment_sips/models/payment.py

@@ -73,7 +73,7 @@ class AcquirerSips(models.Model):
         currency_code = CURRENCY_CODES.get(currency.name, False)
         if not currency_code:
             raise ValidationError(_('Currency not supported by Wordline'))
-        amount = int(values['amount'] * 100)
+        amount = round(values['amount'] * 100)
         if self.state == 'enabled':
             # For production environment, key version 2 is required
             merchant_id = getattr(self, 'sips_merchant_id')