Zabbix

..F....... [DEV-4633] changed wrapper to iframe when show as html is selected in Item history widget

* commit '818497fbff4a180fee1fa96ba2c54ab11cc711af':
  .......... [DEV-4633] fixed widget editing to default state
  .......... [DEV-4633] cherry-pick from 59f436f726c; resolved conflicts in: -ui/tests/selenium/dashboardWidgets/testDashboardItemHistoryWidget.php