title: How to add empty rows to the ExtJS Grid?
body: <p>I have the grid with paging. Every page has max 10 rows. Like this:
  <img src="https://i.stack.imgur.com/qs33b.png" alt="enter image description here"></p>
  
  <p>I set gradient background for .x-grid3-scroller selector in CSS. Everything is fine, while there is 10 items in the DirectStore. But if there is less items than 10 I have that problem:
  <img src="https://i.stack.imgur.com/vyBCf.png" alt="enter image description here"></p>
  
  <p>If set striped background for .x-grid3-scroller there will be no borders in columns.</p>
  
  <p>How to add empty rows to the grid to fit grid to the bottom?</p>