title: ext js 4 window don't want change options at first time
body: <p>I have window</p>
  
  <pre><code>Ext.define('SD.view.SDDetail', {
      extend: 'Ext.window.Window',
      alias: 'widget.sddetailwindow',
      height: 620,
      width: 850,
      layout: 'fit',
      border: false,
      modal: true,
  
      isDemandReadOnly: true,
      changeStatusOnly: true,
      isNew: true,
   initComponent: function () {}}
  </code></pre>
  
  <p>when i open it i want change options isDemandReadOnly isNew changeStatusOnly like this, 
  this code from controller</p>
  
  <pre><code>, onAdd: function (item) {
          var win = this.getSdDetailWindow({
              isDemandReadOnly: false,
              changeStatusOnly: false,
              isNew: false
          });
  
          win.show();
  }
  </code></pre>
  
  <p>but at first time isDemandReadOnly isNew changeStatusOnly dont change it values
  at second it is all ok
  why at first time my values not change?</p>