in src/app/components/queues-view/queues-view.component.ts [196:206]
onQueueItemSelected(selected: QueueInfo) {
this.unselectChildrenQueues(this.rootQueue!, selected);
if (selected.isSelected) {
this.selectedQueue = selected;
this.isDrawerContainerOpen = true;
this.matDrawer.open();
} else {
this.selectedQueue = null;
this.closeMatDrawer();
}
}