core/list-group/list-item-selection-control.directive.ts
What c8y-li-radio and c8y-li-checkbox share, applied to both as a host directive: the
accessible name of the control, and the connection to the c8y-li it renders in, which names an
unnamed control after the row content and selects the control on a row click.
ListItemSelectionControl
OnInit
OnDestroy