Add InPost Pay integration to admin templates

- Created a new template for the cart rule form with custom label, switch, and choice widgets.
- Implemented the InPost Pay block in the order details template for displaying delivery method, APM, and VAT invoice request.
- Added legacy support for the order details template to maintain compatibility with older PrestaShop versions.

modules/inpostizi/upgrade/upgrade-1.3.15.php

@@ -0,0 +1,30 @@
+<?php
+
+if (!defined('_PS_VERSION_')) {
+    exit;
+}
+
+/**
+ * @param InPostIzi $module
+ *
+ * @return bool
+ */
+function upgrade_module_1_3_15(Module $module)
+{
+    foreach (['INPOST_PAY_payment_courier', 'INPOST_PAY_payment_courier_cod'] as $key) {
+        if (!$carrierId = Configuration::get($key)) {
+            continue;
+        }
+
+        $carrier = new Carrier($carrierId);
+
+        if (!Configuration::updateValue($key, $carrier->id_reference)) {
+            return false;
+        }
+    }
+
+    return $module->registerHook('displayPaymentReturn')
+        && $module->registerHook('actionAjaxDieCartControllerDisplayAjaxUpdateBefore')
+        && $module->unregisterHook('actionPresentCart')
+        && $module->unregisterHook('actionCartUpdateQuantityBefore');
+}