ux changes

- added check and X icons to apply and cancel buttons
- added space b/w apply and cancel

relates to 
- https://github.com/Rise-Vision/common-style/pull/35
- https://github.com/Rise-Vision/widget-settings-ui-components/pull/108

could @winkerVSbecks , @alex-deaconu,and/or @donnapep review & merge?