angular mt-select disableOptionCentering

<mat-form-field appearance="outline">
  <mat-label>Notary Type</mat-label>
  <mat-select placeholder="Select Notary Type" formControlName="notaryType" [disableOptionCentering]="true"
    [(ngModel)]="savenotaryObj.idOfNotaryType" required>
    <mat-option *ngFor="let type of allNotaryType" [value]="type.id">{{type.name}}</mat-option>
  </mat-select>
  <mat-error *ngIf="hasError('notaryType', 'required')">
    {{utilsService.validationService.NOTARY_TYPE_REQUIRED}}</mat-error>
</mat-form-field>