message: fixing navigation bar dividers
diff: <span class="oi oi-spreadsheet"
  title="Filters" i18n-title></span>
  </a>
  - </ng-container>
  <div class="divider">&nbsp;</div>
  + </ng-container>
  <div class="btn-group" dropdown placement="bottom right">
  <button id="button-alignment" dropdownToggle type="button"
  class="btn btn-secondary dropdown-toggle"
  