Properly initialise markdown on asset comments

assets/templates/asset_form.html

@@ -12,6 +12,7 @@
     {{ block.super }}
     <script src="{% static 'js/selects.js' %}"></script>
     <script src="{% static 'js/simplemde.min.js' %}"></script>
+    <script src="{% static 'js/interaction.js' %}"></script>
 {% endblock %}
 
 {% block js %}
@@ -74,6 +75,11 @@
             preserveSelected: false
         });
     </script>
+    <script>
+        $(document).ready(function () {
+            setupMDE('#id_comments');
+        });
+    </script>
 {% endblock %}
 
 {% block content %}