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/templates/front/blocks/cart-summary.tpl

@@ -11,11 +11,11 @@
 {if isset($js_custom_vars) && $js_custom_vars|@count}
   <script type="text/javascript">
     {foreach from=$js_custom_vars key=var_name item=var_value}
-    if ('object' === typeof {$var_name}{literal}) {
+    if ('object' === typeof {$var_name|escape:'javascript':'UTF-8'}{literal}) {
       {/literal}
-        jQuery.extend({$var_name}, {$var_value|json_encode nofilter});
+        jQuery.extend({$var_name|escape:'javascript':'UTF-8'}, {$var_value|json_encode nofilter});
       {literal}
-    } {/literal} else if ('undefined' !== typeof {$var_name}{literal}) {
+    } {/literal} else if ('undefined' !== typeof {$var_name|escape:'javascript':'UTF-8'}{literal}) {
       {/literal}
       {$var_name} = {$var_value|json_encode nofilter};
       {literal}
@@ -33,7 +33,12 @@
   <div class="block-header shopping-cart-header">{l s='Shopping Cart' d='Shop.Theme.Checkout'}</div>
   <div class="cart-inner-wrapper">
     {if $cartQuantityError}
-      <div class="error-msg visible">{$cartQuantityError}</div>
+      <div class="error-msg visible">{$cartQuantityError|escape:'htmlall':'UTF-8'}</div>
+    {/if}
+    {if $otherErrors}
+      {foreach $otherErrors as $moduleName => $errorMsg}
+        <div class="error-msg visible">{$moduleName|escape:'htmlall':'UTF-8'}: {$errorMsg|escape:'htmlall':'UTF-8'}</div>
+      {/foreach}
     {/if}
 
     <div class="cart-grid row">