PayPal surcharge extra fee Module 5.4.9

Fixed error message issue with delivery options in paypalwithfee.php

Correction in the installation/update/uninstallation process

Some English translations have been added and corrected.

Variable name correction that generates problems with prestashop versions > 8.0

• Do not create surcharge product when it is 0
• Problem with the size of some elements

• Fix when updating tax rules

• Fix when updating tax rules