LIL-33. Hide deactivated comments with childs

apps/course/templates/course/blocks/comments.html

@@ -1,5 +1,10 @@
 {% load mptt_tags %}
 
 {% recursetree object.comments.all %}
+{% if not node.deactivated_at %}
 {% include './comment.html' %}
-{{ children }} {% endrecursetree %}
+{% if not node.is_leaf_node %}
+{{ children }}
+{% endif %}
+{% endif %}
+{% endrecursetree %}