Add new payment and shipping parsers for various integrations

- Implemented Google Pay parser in bongooglepay.js
- Added Buckaroo 3 payment parser in buckaroo3.js
- Introduced DataTrans CW Mastercard parser in datatranscw.js
- Created DataTrans CW Credit Card parser in datatranscw_creditcard.js
- Developed DHL Assistant shipping parser in dhlassistant.js
- Added Estimated Delivery parser in estimateddelivery.js
- Implemented Floapay payment parser in floapay.js
- Created FS Pickup at Store shipping parser in fspickupatstore.js
- Developed Generic Iframe parser in generic_iframe_parser.js
- Added Geodis Officiel shipping parser in geodisofficiel.js
- Implemented Glob Kurier module shipping parser in globkuriermodule.js
- Created Latvija Post Express Pickup Terminal parser in latvijaspastsexpresspastspostterminalslv.js
- Developed LP Shipping parser in lpshipping.js
- Added Mijora Venipak parser in mijoravenipak.js
- Implemented Apple Pay parser in pm_applepay.js
- Created Przelewy24 payment parser in przelewy24.js
- Developed Pshugls shipping parser in pshugls.js
- Added Redsys Insite payment parser in redsysinsite.js
- Implemented Tpay payment parser in tpay.js
- Updated third-party integration documentation for FedEx DotCom

modules/thecheckout/views/css/includes/separate-payment.css

@@ -82,4 +82,50 @@ div#payment-confirmation .ps-shown-by-js {
 
 .payment-options.amazon_ongoing_session > div:not(.amazon-visible) {
     display: none;
-}
+}
+
+/* generic iframe (only single payment method visible) */
+body.p3i-option-set .payment-options > :not(.p3i-visible-only) {
+    display: none;
+}
+body.p3i-option-set
+:is(section#separate-payment-order-review, header, footer, #conditions-to-approve, h1.step-title),
+body.p3i-option-set .cart-grid-body ~ *{
+    display: none;
+}
+
+body.p3i-option-set
+:is(.cart-grid-body, #wrapper, .container, #content, .p3i-visible-only),
+body.p3i-option-set #checkout-payment-step > .content,
+body.p3i-option-set #content .row{
+    padding: 0!important;
+    margin: 0!important;
+}
+
+body.p3i-option-set
+:is(.container, #content, .cart-grid-body, #checkout-payment-step) {
+    width: 100%;
+}
+
+body.p3i-option-set section#checkout-payment-step {
+    display: flex;
+    justify-content: center;
+    padding: 5px;
+    margin: 0!important;
+    /*height: 100vh;*/
+    align-items: center;
+}
+
+/* scrollbar begin */
+body.p3i-option-set::-webkit-scrollbar {
+    width: 0.5em;
+}
+
+body.p3i-option-set::-webkit-scrollbar-track {
+    box-shadow: inset 0 0 2px rgb(0 0 0 / 16%);
+}
+
+body.p3i-option-set::-webkit-scrollbar-thumb {
+    background-color: #e0e0e0;
+}
+/* scrollbar end */