Fix missing extras block in additional_info template override

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: tanmayagrawal21

ckan/templates/package/snippets/additional_info.html

@@ -69,4 +69,14 @@
       </td>
     </tr>
   {% endif %}
+
+  {% block extras scoped %}
+    {% for extra in h.sorted_extras(pkg_dict.extras) %}
+      {% set key, value = extra %}
+      <tr rel="dc:relation" resource="_:extra{{ i }}">
+        <th scope="row" class="dataset-label" property="rdfs:label">{{ _(key|e) }}</th>
+        <td class="dataset-details" property="rdf:value">{{ value }}</td>
+      </tr>
+    {% endfor %}
+  {% endblock %}
 {% endblock %}