Merge branch '3.2' into 4.0

* 3.2:
  [Core] fix for gift digital product (revert bc break)

Author: dpfaffenbauer

src/CoreShop/Component/Core/Cart/Rule/Action/GiftProductActionProcessor.php

@@ -74,7 +74,10 @@ public function applyRule(OrderInterface $cart, array $configuration, PriceRuleI
         $item = $this->cartItemFactory->createWithCart($cart, $product);
         $item->setQuantity(1);
         $item->setIsGiftItem(true);
-        $item->setDigitalProduct($product->getDigitalProduct());
+
+        if ($product instanceof ProductInterface) {
+            $item->setDigitalProduct($product->getDigitalProduct());
+        }
 
         if (
             $product instanceof ProductInterface &&

src/CoreShop/Component/Order/Model/PurchasableInterface.php

@@ -31,6 +31,4 @@ public function getName(?string $language = null): ?string;
     public function getWholesaleBuyingPrice(): ?Money;
 
     public function getTaxRule(): ?TaxRuleGroupInterface;
-
-    public function getDigitalProduct(): ?bool;
 }