Fix js issue on comment page

ECOM-6579

course_discovery/static/js/publisher/comments.js

+$(document).ready(function() {
+    var box = $('#id_comment');
+   $("#id_submit").click(function(event){
+       if( !box.val() ) {
+            box.addClass('has-error');
+            box.focus();
+        }
+       else{
+           $("#frm_comment").submit();
+       }
+
+   });
+});

course_discovery/templates/comments/add_auth_comments.html

 {% load i18n %}
-{% load staticfiles %}
 {% load comments %}
+
 {% if user.is_authenticated and comment_object %}
     <div class="comments-container">
         <p>{% trans 'Add new comment' %}</p>
@@ -13,7 +13,7 @@
                 {{ form.object_pk }}
                 {{ form.timestamp }}
                 {{ form.security_hash }}
-                <input type="hidden" name="next" value="{{ comment_object.post_back_url }}"/>
+                <input type="hidden" name="next" value="{% url 'publisher:publisher_course_run_detail' object.id %}"/>
                 <div>
                     <input type="button" value="Add comment" id="id_submit" class="btn-brand btn-base" />
                 </div>
@@ -21,21 +21,3 @@
         </div>
     </div>
 {% endif %}
-
-{% block extra_js %}
-    <script type="text/javascript">
-        $(document).ready(function() {
-            var box = $('#id_comment');
-           $("#id_submit").click(function(event){
-               if( !box.val() ) {
-                    box.addClass('has-error');
-                    box.focus();
-                }
-               else{
-                   $("#frm_comment").submit();
-               }
-
-           });
-        });
-    </script>
-{% endblock %}

course_discovery/templates/publisher/course_run_detail.html

@@ -68,6 +68,7 @@
 {% block extra_js %}
     <script src="{% static 'bower_components/clipboard/dist/clipboard.min.js' %}"></script>
     <script src="{% static 'js/publisher/publisher.js' %}"></script>
+    <script src="{% static 'js/publisher/comments.js' %}"></script>
     <script>
         new Clipboard(".btn-copy", {
             text: function(trigger) {