Fix that discussions are loading in the profile view.

common/static/common/js/discussion/utils.js

@@ -31,6 +31,9 @@
             if (_.isUndefined(userId)) {
                 userId = this.user ? this.user.id : void 0;
             }
+            if(_.isUndefined(this.roleIds)) {
+                this.roleIds = {}
+            }
             staff = _.union(this.roleIds.Moderator, this.roleIds.Administrator);
             return _.include(staff, parseInt(userId));
         };