chore(docs): fixing code block (#2642)

Author: nikolay-nenkov

upgrade/breaking-changes/7-0-0.md

@@ -55,7 +55,7 @@ The obsolete `ClearButton` parameter is removed. Use `ShowClearButton` instead.
     </tr></thead>
     <tbody>
         <tr>
-            <td style="vertical-align:top">
+<td style="vertical-align:top">
 
 ````RAZOR.skip-repl
 <GridColumn>
@@ -66,8 +66,8 @@ The obsolete `ClearButton` parameter is removed. Use `ShowClearButton` instead.
 </GridColumn>
 ````
 
-            </td>
-            <td style="vertical-align:top">
+</td>
+<td style="vertical-align:top">
 
 ````RAZOR.skip-repl
 <GridColumn>
@@ -78,7 +78,7 @@ The obsolete `ClearButton` parameter is removed. Use `ShowClearButton` instead.
 </GridColumn>
 ````
 
-            </td>
+</td>
         </tr>
     </tbody>
 </table>