Describe the bug

We create a product with a customization

• Type: file
• Label: Must contain a space for example (Please attach a file)
• Required (yes/No) => Same issue

When we order this product, we have an error is the BO > Order page

If the debug Mode enabled => exception

If the debug Mode disabled => the order can be viewed but, if you download the attached file => NOK (detected by @Robin-Fischer-PS )

Steps to Reproduce

Steps to reproduce the behavior:

1. Create a product with customization
   1.1 Type: file
   1.2 Label: Must contain a space for example (Please attach a file)
   1.3 Required (yes/No) => Same issue
   
2. Go to FO > Product details page
3. Choose a file and save a customization
4. add to cart
5. Continue checkout
6. Go to BO > Order page > View the last order created
7. see error

Additional information

• PrestaShop version: 1770rc1build4
• PHP version: 7.2