fix(api): 修复演示逻辑中产品查询

- 在 DemoLogic 中，将 StoreProduct 查询修改为包含软删除的产品
- 使用 withTrashed() 方法确保可以获取到所有产品，包括已软删除的

app/api/logic/DemoLogic.php

@@ -121,7 +121,7 @@ class DemoLogic extends BaseLogic
 
         $cartInfo = BeforehandOrderCartInfo::where('bhoid', $params['id'])->select()->toArray();
         $productIds = array_column($cartInfo, 'product_id');
-        $products = StoreProduct::whereIn('id', $productIds)->select()->toArray();
+        $products = StoreProduct::whereIn('id', $productIds)->withTrashed()->select()->toArray();
         $products = reset_index($products, 'id');
         $update = [];
         foreach ($cartInfo as $v) {