fix: use correct data on product Cart callbacks

apps/website/src/components/organisms/Cart/Cart.svelte

@@ -22,7 +22,7 @@
     }
 
     /** Item quantity changed */
-    const changedQuantity = async ({ detail: { id, quantity } }) => {
+    const changedQuantity = async ({ id, quantity }: { id: string, quantity: number }) => {
         // Cart is now updating
         $cartIsUpdating = true
 
@@ -37,7 +37,7 @@
     }
 
     /** Item removed */
-    const removedItem = async ({ detail: id }) => {
+    const removedItem = async (id: string) => {
         // Cart is now updating
         $cartIsUpdating = true