<div
  class="checkbox"
  tooltip="Disable to lower bandwidth and CPU usage"
  tooltip-placement="bottom">
  <label>
    <input
      type="checkbox"
      ng-checked="vm.isChecked()"
      ng-click="vm.click()">Video thumbnails</input>
  </label>
</div>

Replace "Video thumbnails" checkbox with a button only in the topbar (not at the signing form)
Replace "Video thumbnails" checkbox with a button only in the topbar (not at the signing form)
