Make Presets stateless

skins/base/views/atoms/create_room/Presets.js

@@ -25,12 +25,12 @@ module.exports = React.createClass({
     mixins: [PresetsController],
 
     onValueChanged: function(ev) {
-        this.setState({preset: ev.target.value}, this.props.onChange);
+        this.props.onChange(ev.target.value)
     },
 
     render: function() {
         return (
-            <select className="mx_Presets" onChange={this.onValueChanged} value={this.state.preset}>
+            <select className="mx_Presets" onChange={this.onValueChanged} value={this.props.preset}>
                 <option value={this.Presets.PrivateChat}>Private Chat</option>
                 <option value={this.Presets.PublicChat}>Public Chat</option>
                 <option value={this.Presets.Custom}>Custom</option>

skins/base/views/organisms/CreateRoom.js

@@ -58,8 +58,7 @@ module.exports = React.createClass({
         return this.refs.user_selector.getUserIds();
     },
 
-    onPresetChanged: function() {
-        var preset = this.refs.presets.getPreset();
+    onPresetChanged: function(preset) {
         switch (preset) {
             case PresetValues.PrivateChat:
                 this.setState({