message: Implemented click on elements event of progress buttons navigation
diff: <img data-bind="css: model.css.progressButtonsImageButton">
  <div data-bind="css: model.css.progressButtonsListContainer">
  <ul data-bind="foreach: model.visiblePages, css: model.css.progressButtonsList">
  - <li data-bind="css: $parent.getListElementCss($index)">
  + <li data-bind="css: $parent.getListElementCss($index), click: $parent.clickListElement">
  <div data-bind="css: css.progressButtonsPageTitle, text: navigationTitle || name"></div>
  <div data-bind="css: css.progressButtonsPageDescription, text: navigationDescription"></div>
  </li>
  