* events: uncommented test for searching user events
* events: added refresh btn and tidied up css
* events: increased search form width
* events: removed unwanted Divider
* events: fixed grey line issue when no events logged, fixed test
* events: renamed css classes to make them reusable for admin search
* events: added admin events search ui
* events: fixed refresh btn on user events tab
Co-authored-by: Agnieszka Gancarczyk <agancarc@redhat.com>