Insert row/column wrong with incomplete cells

[Garry Yao]

1. Load the editor with following content:

   <table style="width: 500px;">
   	<tbody>
   		<tr>
   			<td>
   				&nbsp;</td>
   		</tr>
   		<tr>
   			<td>
   				&nbsp;</td>
   			<td>
   				cursor here</td>
   		</tr>
   		<tr>
   			<td>
   				&nbsp;</td>
   			<td>
   				&nbsp;</td>
   		</tr>
   	</tbody>
   </table>
   

2. Place cursor in the last cell of the second row;
3. Insert column after/before

• Actual Result: Table remains unchanged.

1. Insert row after/before

• Actual Result: Row inserted with only one cell.