searchable true does not work with multiple=false

[ihabpalamino]

<ng-select class="col-md-9" id="id" [items]="etatSwit" [multiple]="false" appendTo="body" [closeOnSelect]="false" [searchable]="true" [clearOnBackspace]="true" bindLabel="libelle" placeholder="Statut" formControlName="etat"> {{item.libelle}} while searching then i clique on an item i want to choose it is not selected until i select out of the selector