whenSelected method
When the user selects a suggestion, the onDismiss callback is called, and the selected state is set to false
Implementation
void whenSelected() {
  setState(() {
    selected = false;
  });
  onDismiss.call();
}
When the user selects a suggestion, the onDismiss callback is called, and the selected state is set to false
void whenSelected() {
  setState(() {
    selected = false;
  });
  onDismiss.call();
}