Five small UX changes in Admin GUI
Created by: HejdaJakub
- Edited alerts in VOs/groups members section, where are more then 400 members
- Added info alert to synchronized groups - information why in members section are disabled buttons
- Removed duplicated spinner on vo/group/facility/resource-overview page
- Fixed the responsibility of buttons in group-list/group-tree component
- Removed service configuration from the overview and from the side menu