Merge pull request #14569 from edx/aj/fix-discussion-follow-post

Fix posts are not automatically followed

common/static/common/js/discussion/views/new_post_view.js

@@ -138,7 +138,7 @@
                 group = this.$('.js-group-select option:selected').attr('value');
                 anonymous = false || this.$('.js-anon').is(':checked');
                 anonymousToPeers = false || this.$('.js-anon-peers').is(':checked');
-                follow = false || this.$('.js-follow').is(':checked');
+                follow = false || this.$('input[name=follow]').is(':checked');
                 topicId = this.isTabMode() ? this.topicView.getCurrentTopicId() : this.topicId;
                 url = DiscussionUtil.urlFor('create_thread', topicId);
                 return DiscussionUtil.safeAjax({