Add timeout for clearing last search term on select blur

src-ui/src/app/components/common/input/select/select.component.html

@@ -11,7 +11,8 @@
       bindValue="id"
       (change)="onChange(value)"
       (search)="onSearch($event)"
-      (focus)="onFocus()">
+      (focus)="onFocus()"
+      (blur)="onBlur()">
     </ng-select>
 
     <div *ngIf="showPlusButton()" class="input-group-append">