fix: correct a typo (tomalaforge#1126)

Author: LMFinney

apps/signal/56-forms-and-signal/src/app/order.component.ts

@@ -33,7 +33,7 @@ import { products } from './products';
  </form>
  <div class="flex justify-between">
  <div>SubTotal</div>
- <div>{{ totalWihoutVat() }} €</div>
+ <div>{{ totalWithoutVat() }} €</div>
  </div>
  <div class="flex justify-between">
  <div>VAT (21%)</div>
@@ -66,7 +66,7 @@ export default class OrderComponent {
  quantity = toSignal(this.form.controls.quantity.valueChanges, {
  initialValue: this.form.getRawValue().quantity,
  });
- totalWihoutVat = computed(() => Number(this.price()) * this.quantity());
- vat = computed(() => this.totalWihoutVat() * 0.21);
- total = computed(() => this.totalWihoutVat() + this.vat());
+ totalWithoutVat = computed(() => Number(this.price()) * this.quantity());
+ vat = computed(() => this.totalWithoutVat() * 0.21);
+ total = computed(() => this.totalWithoutVat() + this.vat());
 }