message: fix(GUI): limit button progress and width to 100
  We limit the progress button width by limiting the progress to a maximum
  value of 100.
  Change-Type: patch
  Changelog-Entry: Prevent progress button percentage to exceed 100%.
diff: 'progress-button--striped': striped && striped != 'false'
  }">
  <span class="progress-button__content" ng-transclude></span>
  - <span class="progress-button__bar" ng-style="{ width: percentage + '%' }"></span>
  + <span class="progress-button__bar" ng-style="{ width: Math.min(100, percentage) + '%' }"></span>
  </button>
  