title: how to escape html entities in grid?
body: <p>I have grid column:</p>
  
  <pre><code>{
      header: "",
      sortable: false,
      id: 'value',
      dataIndex: 'value',
      hidden: false,
      editor: {
          xtype: 'textfield',
          allowBlank: false
      }
  }
  </code></pre>
  
  <p>How to escape html entities  only in renderer function for this column ?</p>