3251561 - Add wrapper

Closes #3251561

templates/hierarchical-term-formatter.html.twig

@@ -17,7 +17,10 @@
   <{{ wrapper }} class="terms-hierarchy">
 {% endif %}
 {% for term in terms -%}
-  {{ term }}{% if loop.last == false %}{{ separator }}{% endif %}
+  {{ term }}
+  {% if loop.last == false %}
+    <span class="separator">{{ separator }}</span>
+  {% endif %}
 {%- endfor %}
 {% if wrapper == 'ol' or wrapper == 'ul' %}
   </{{ wrapper }}>