~ Show message has error when create payment intent.
~ Added: calculate amount for Stripe payment by rule currency. ~ Added: show error message if create payment intent failed. ~ Fixed: error JS.
~ Added: option payment direct on checkout Stripe page. ~ Tweak: use Stripe JS iframe Form Powered by Stripe, instead of write form. ~ Use Stripe SDK PHP v7.128.0. ~ Use Stripe SDK JS v1.54.2.
