font awsome

-- HikaShop version -- : 4.0.1
-- Joomla version -- : 3.9.1
-- PHP version -- : 7.2.11
-- Browser(s) name and version -- : Firefox
-- Error-message(debug-mod must be tuned on) -- : In the checkout the class for delete address is wrong; it should be fas fa-trash instead of fa fa-trash

In the checkout the class for delete address is wrong; it should be fas fa-trash instead of fa fa-trash
This is the case in more files; I also encountered this in the file 'show_block_coupon.php'.