[BUG] Sylius core exception when updating product information with NULL values

[tnunezf101]

No description provided.

[tnunezf101]

We can get a sylius core exception when a simple product is updated with NULL values in price and name fields.

Steps to reproduce the bug

1.- I login into sylius environment as administrator (Example: https://demo.sylius.com/)
2.- I go to Products
3.- I edit any simple product
4.- I clear following fields: name and price
5.- I submit the form
6.- I get a sylius core exception

I expect a validation per incorrect field

I'm attaching an evidence in gif format

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