ng-dynaform/src/app/dynaform/components/native/select/select.component.html

<select *ngIf="!link; else fieldWithLink" [formControl]="control" class="clr-select">
	<option *ngFor="let opt of options" [value]="opt.value">{{ opt.label }}</option>
</select>

<ng-template #fieldWithLink>
	<div class="input-group input-group-sm">
		<select [formControl]="control" #field class="clr-select">
			<option *ngFor="let opt of options" [value]="opt.value">{{ opt.label }}</option>
		</select>
		<div class="input-group-append">
			<button class="btn btn-outline-primary" type="button" (click)="navigate(field)">{{ link.label || 'Details' }}</button>
		</div>
	</div>
</ng-template>