scroller initialization moved on 'show:before'

apps/common/main/lib/component/ComboBox.js

@@ -188,14 +188,6 @@ define([
 
                     Common.NotificationCenter.on('menumanager:hideall', _.bind(me.closeMenu, me));
 
-
-                    this.scroller = new Common.UI.Scroller(_.extend({
-                        el: $('.dropdown-menu', me.cmpEl),
-                        minScrollbarLength : 40,
-                        scrollYMarginOffset: 30,
-                        includePadding     : true
-                    }, this.options.scroller));
-
                     // set default selection
                     this.setDefaultSelection();
 
@@ -233,6 +225,15 @@ define([
             },
 
             onBeforeShowMenu: function(e) {
+                if ( !this.scroller ) {
+                    this.scroller = new Common.UI.Scroller(_.extend({
+                        el: $('.dropdown-menu', this.cmpEl),
+                        minScrollbarLength: 40,
+                        scrollYMarginOffset: 30,
+                        includePadding: true
+                    }, this.options.scroller));
+                }
+
                 Common.NotificationCenter.trigger('menu:show');
                 this.trigger('show:before', this, e);
                 if (this.options.hint) {

apps/common/main/lib/component/ComboBoxFonts.js

@@ -112,10 +112,6 @@ define([
                 this._input.on('keyup',     _.bind(this.onInputKeyUp, this));
                 this._input.on('keydown',   _.bind(this.onInputKeyDown, this));
 
-                setTimeout(function(me){
-                    me.scroller.update();
-                }, 30, this);
-
                 return this;
             },