BREAKING CHANGE(web-twig): Remove class prop from all components #D…

…S-678

 ## Migration Guide

Rename `class` prop to `UNSAFE_className` on all components.

- `<Alert class="d-none" …>` → `<Alert UNSAFE_className="d-none" …>`

Please refer back to these instructions or reach out to our team
if you encounter any issues during migration.

packages/web-twig/src/Twig/PropsExtension.php

@@ -120,9 +120,12 @@ public function useStyleProps(array $props): array
     {
         $styleProps = [];
         if (array_key_exists('class', $props)) {
-            trigger_error('The "class" property will be removed in the next major version. Use "UNSAFE_className" instead.', E_USER_DEPRECATED);
+            trigger_error('The "class" property is not allowed. If you really need to add a CSS class, use "UNSAFE_className" instead. Learn more at https://github.com/lmc-eu/spirit-design-system/tree/main/packages/web-twig#escape-hatches', E_USER_WARNING);
         }
-        $styleProps['className'] = $props['UNSAFE_className'] ?? $props['class'] ?? null;
+        if (array_key_exists('style', $props)) {
+            trigger_error('The "style" property is not allowed. If you really need to modify the CSS style, use "UNSAFE_style" instead. Learn more at https://github.com/lmc-eu/spirit-design-system/tree/main/packages/web-twig#escape-hatches', E_USER_WARNING);
+        }
+        $styleProps['className'] = $props['UNSAFE_className'] ?? null;
         $styleProps['style'] = $props['UNSAFE_style'] ?? null;
 
         return $styleProps;