UX: simplify markup to fix j/k highlighting

[awesomerobot]

This cleans up the markup a bit, so instead of a div as a table child we use the td and removes the internal wrapper. This fixes an issue with a double highlight while using j/k navigation highlighting caused by the nested td.

Before:

<div>
  <td>
   dropdown here
  </td
</div>  

After:

<td>
 dropdown here
</td