portal/automation: better logs display

app/portal/templates/tables.html.j2

@@ -167,7 +167,7 @@
             {% for log in logs %}
                 <tr>
                     <td>{{ log.added | format_datetime }}</td>
-                    <td>{{ log.logs }}</td>
+                    <td><pre style="overflow: scroll; height: 200px;">{{ log.logs | e }}</pre></td>
                 </tr>
             {% endfor %}
             </tbody>
@@ -596,4 +596,4 @@
             </tbody>
         </table>
     </div>
-{% endmacro %}
+{% endmacro %}