fragment product.html  daje efekt 1kg=10szt (zawsze statyczne)

   <span class="block converter" *ngIf="productsList.products[i].converter">
                            {{productsList.products[i].converter}}
                        </span>


     <app-stepper *ngIf="configService?.permissions?.showCarts"
                                         [ngClass]="{'responsive': productsList?.config?.displayType === 0}"
                                         [min]="productsList.products[i].min"
                                         [value]="productsList.products[i].quantity"
                                         [isUnitTotal]="productsList.products[i].isUnitTotal"
                                         (valueChange)="productsList.changeQuantity(i, $event)">
                            </app-stepper>