angular two datepickers
<div class="item item-1" fxFlex="50%" fxFlexOrder="1">
<mat-form-field>
<input matInput [matDatepicker]="picker" placeholder="{{'PORTAL.STARTDATE' | translate}}" type="text" formControlName="startDate" [(ngModel)]="unavailability.startDate" [readonly]="!componentPermission.writePermission">
<mat-datepicker-toggle matSuffix [for]="picker"></mat-datepicker-toggle>
<mat-datepicker #picker></mat-datepicker>
</mat-form-field>
</div>