title: Search icon of search field disappears in sencha
body: <p>When navigating to new view search icon of search field disappears in sencha touch , Also the search field shrinks little since I'm adding an extra button. How can I prevent shrinking of search field or how can I maintain the search field icon?</p>
  
  <pre><code>    Ext.define('Proj.view.Home', {
      extend: 'Ext.navigation.View',
      xtype: 'homeTabItem',
      id: 'home',
  
  this.add(
              {
                  xtype: 'toolbar',
                  id: 'SeachToolbar',
                  docked: 'top',
                 items: [
                     {
                         xtype: 'searchfield',
                         align: 'left',
                         width:200,
                         placeHolder: 'Search'
  
                     },
  
                     {
                         id : 'searchButton_h',
                         xtype : 'button',
                         iconCls : 'search',
                         iconMask : true,
                         align : 'left',
                         scope:this,
                         handler:this.onSearchKeyUp
                     },
  
                     {
  
                         id : 'homeSelect',
                         xtype: 'selectfield',
                         hidden:true; 
                         iconMask : true,
                         align : 'right',
                         width : '20%',
                     }
      ]});
  </code></pre>
  
  <p>On a pushed view I'm making 'homeSelect' visible and my serchfield's magnifier icon disappears..</p>