Always setup stickies, even if we aren't going to use them so that the following map can fire

src/components/views/rooms/RoomList.js

@@ -333,7 +333,6 @@ module.exports = React.createClass({
             this.scrollAreaSufficient = (120 + (stickies[0].getBoundingClientRect().height * stickies.length)) < scrollAreaHeight;
 
             // Initialise the sticky headers
-            if (this.scrollAreaSufficient) {
             if (typeof stickies === "object" && stickies.length > 0) {
                 // Initialise the sticky headers
                 this.stickyWrappers = Array.prototype.map.call(stickies, function(sticky, i) {
@@ -350,7 +349,6 @@ module.exports = React.createClass({
                 });
             }
         }
-        }
 
         var self = this;
         var scrollStuckOffset = 0;