Tax calculation fix (in amount details)

- Added the `itemsPreAdjustmentTotal()` method to the Foundation's adjustable Cart model

Changelog.md

@@ -62,6 +62,7 @@
 - Added the `Address` DTO class (implements the `Address` interface)
 - Added the `AdjusterAliases` class that for decoupling FQCNs from the database
 - Added automatic mapping of adjuster FQCN <-> aliases when saving an adjustment into the DB and when calling the `getAdjuster()` method
+- Added the `itemsPreAdjustmentTotal()` method to the Foundation's adjustable Cart model
 - BC: Added the `findBySku()` method to the `Product` and `MasterProductVariant` interfaces
 - BC: The `MasterProduct` interface no longer extends the `Product` interface
 - BC: The `Checkout` interface now extends the `ArrayAccess` and the `Shippable` interfaces (until here, only the concrete classes have implementation it)

src/Foundation/Listeners/CalculateTaxes.php

@@ -62,7 +62,7 @@ public function handle(CheckoutEvent|CartEvent $event): void
 
  $checkout->setTaxesAmount(
  DetailedAmount::fromArray(
- Arr::mapWithKeys($taxes, fn ($amount, $title) => [['title' => $title, 'amount' => $amount]]),
+ collect($taxes)->map(fn ($amount, $title) => ['title' => $title, 'amount' => $amount])->values()->all(),
  ),
  );
  }

src/Foundation/Models/Cart.php

@@ -45,6 +45,11 @@ public function itemsTotal(): float
  return $this->items->sum('total');
  }
 
+ public function itemsPreAdjustmentTotal(): float
+ {
+ return $this->items->sum(fn ($item) => $item->preAdjustmentTotal());
+ }
+
  public function shippingAdjustmentsTotal(): float
  {
  return $this->adjustments()->byType(AdjustmentTypeProxy::SHIPPING())->total();