[*] MO : mondial relay

fix issues from Prestashop's recommandations
Same thing as above with this [line](https://github.com/PrestaShop/PrestaShop-modules/commit/8f0da9fd91152171d585a73b41c7f7e468e58563#diff-e93c4022df7ea0a04e770aa38e4e51d3R1040)