Adding text area component
The Remark entry field is better edited using a text area component
Edit mode
<tr>
        <td>Remark:</td>
        <td class="editable-field">{{textarea rows="3" value=editModel.Remark}}</td>
      </tr>
Read mode
<tr>
        <td>Remark:</td>
        <td>{{model.Remark}}</td>
      </tr>