Soft delete on product variant causes an error on cart line

[jargoud]

Hello,

• Lunar version: 1.0.0-beta.4
• Laravel Version: 11.29.0
• PHP Version: 8.3.12
• Database Driver & Version: MariaDB 10.6.19

Expected Behaviour:

When soft deleting a product variant added to a cart, the line should be ignored when calculating the cart.

Actual Behaviour:

An error happens:

Lunar\Managers\PricingManager::for(): Argument #1 ($purchasable) must be of type Lunar\Base\Purchasable, null given, called in …/vendor/lunarphp/core/src/Pipelines/CartLine/GetUnitPrice.php on line 37

Steps To Reproduce:

• Add a product variant to a cart
• Soft delete the product variant
• Re-Authenticate with the user
• Listener Lunar\Listeners\CartSessionAuthListener triggers a calculating for the cart
• The error happens