Remove explicit id from comment textarea

Stop passing a custom id to textareaField in the KB comment form. Allow the field helper to generate the id instead to avoid duplicated or conflicting DOM ids and simplify the template markup.

Author: eduardomozart

templates/pages/tools/kb/comment_form.html.twig

@@ -95,7 +95,6 @@
             {% endif %}
             <div class="px-2" style="min-width: 400px;">
                 {{ fields.textareaField('comment', comment ?? '', null, {
-                    id: comment_id ? 'comment_' ~ comment_id : 'comment_' ~ rand,
                     no_label: true,
                     full_width: true,
                     add_field_html: btn,