Missing translation in French

[lmeyer1]

Describe the bug and add screenshots

There is an error message in the BO that is not translated into French. It's the following:

The order should be refunded before the cancellation. Please select the status "Refunded".You can cancel the order after. If you don't want to generate a refund automatically on PayPal when you change the status, you can disable it via the module settings: "Experience -> Advanced settings - Customize order status", select "no action".

Expected behavior

Complete translation

Steps to reproduce

Thy to cancel an order paid with paypal

PrestaShop version(s) where the bug happened

1.7.8.7, paypal version 5.7.2

PHP version(s) where the bug happened

7.4