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/views/templates/admin/config/gui.html.twig

@@ -0,0 +1,108 @@
+{% extends '@Modules/inpostizi/views/templates/admin/layout/basic-layout.html.twig' %}
+
+{% form_theme form '@Modules/inpostizi/views/templates/admin/config/form_theme.html.twig' %}
+
+{% block content %}
+  <div class="row justify-content-center">
+    <div class="col-xs-12 col-12">
+
+      <div class="card">
+        {{ form_start(form) }}
+        <h3 class="card-header">
+          <i class="material-icons">palette</i> {{ layoutTitle }}
+        </h3>
+
+        {{ form_errors(form) }}
+
+        {% set activeName = null %}
+        {% set widgetForms = {} %}
+
+        {% for name, child in form %}
+          {% if child.vars.binding_place is defined %}
+            {% set widgetForms = widgetForms|merge({(name): child}) %}
+            {% if not child.vars.valid and activeName is same as (null) %}
+              {% set activeName = name %}
+            {% endif %}
+          {% endif %}
+        {% endfor %}
+
+        {% if activeName is same as(null) %}
+          {% set activeName = widgetForms|keys|first %}
+        {% endif %}
+
+        <ul class="nav nav-pills border-top-0 bg-light" id="gui_tabs" role="tablist">
+          {% for name, widgetForm in widgetForms %}
+            <li class="nav-item" role="presentation">
+              <a
+                class="nav-link
+                {% if activeName is same as(name) %}active{% endif %}
+                {% if widgetForm.vars.valid is same as(false) %}text-danger{% endif %}
+                "
+                id="{{ widgetForm.vars.id }}-tab"
+                data-toggle="tab"
+                data-target="#{{ widgetForm.vars.id }}"
+                href="#{{ widgetForm.vars.id }}"
+                role="tab"
+              >
+                {{ widgetForm.vars.label }}
+
+                {% if not widgetForm.vars.valid %}
+                  <span
+                      class="material-icons"
+                      data-toggle="popover"
+                      data-trigger="hover"
+                      data-placement="top"
+                      data-content="{{ 'This widget is not configured correctly, correct the values in the form.'|legacy_trans }}"
+                  >error</span>
+                {% endif %}
+              </a>
+            </li>
+          {% endfor %}
+        </ul>
+
+        <div class="tab-content p-0" id="gui_tabs_content">
+          {% for name, widgetForm in widgetForms %}
+            <div
+              class="
+                tab-pane fade
+                {% if activeName is same as(name) %}show active in{% endif %}
+              "
+              id="{{ widgetForm.vars.id }}"
+              role="tabpanel"
+            >
+              {{ form_row(widgetForm) }}
+            </div>
+          {% endfor %}
+        </div>
+
+        {{ form_rest(form) }}
+
+        <div class="card-footer clearfix">
+          <a href="{{ path('admin_module_manage') }}" class="btn btn-outline-secondary">{{ 'Back'|trans }}</a>
+
+          <button class="btn btn-primary float-right">{{ 'Save'|trans({}, 'Admin.Actions') }}</button>
+        </div>
+        {{ form_end(form) }}
+      </div>
+
+    </div>
+  </div>
+{% endblock %}
+
+{% block stylesheets %}
+  {{ parent() }}
+  <link rel="stylesheet" href="{{ asset('css/admin/gui.css', 'InPostIzi') }}" />
+{% endblock %}
+
+{% block javascripts %}
+  {{ parent() }}
+
+  {% if merchant_client_id %}
+    <script type="application/javascript">
+      window.inpostizi_merchant_client_id = '{{ merchant_client_id|e('js') }}';
+    </script>
+  {% endif %}
+
+  <script type="text/javascript" src="{{ widget_js_uri }}"></script>
+  <script type="text/javascript" src="{{ asset('js/admin/gui.js', 'InPostIzi') }}"></script>
+{% endblock %}