ir.rule are default values but can be customized based on the
company's policy and needs.
This is typically a record that is in noupdate as should be
customization-friendly.
Current behavior before this patch:
- Only authenticated users were able to set items as wishlisted.
- A product template is displayed as wishlisted if the first variant is so.
Desired behavior after this patch:
- All users are able to wishlist items.
- When a user logs in, his dangling wishlists join him.
- A product template is displayed as wishlisted when any of its variants is so.
This commit closes#19777
Victor Feyens