Enum handling in serialization changed in 4.2.17

[kralmichal]

API Platform version(s) affected: 4.2.17

Description
When uprading from 4.2.16 Enum is no longer serialzed th same. See $locale

enum Locale: string
{
    case CS = 'cs';
    case EN = 'en';
}

#[Groups(['user:read', 'api:read', 'log:context']), ]
final readonly class UserSummaryView
{
    /**
     * @param (value-of<UserRole>)[] $roles
     */
    public function __construct(
        public UuidInterface $id,
        public string $name,
        public Locale $locale,
    ) {
    }
}

4.2.16

{
    "@context": "\/api\/contexts\/UserSummaryView",
    "@id": "\/api\/v1\/users\/me",
    "@type": "UserSummaryView",
    "id": "019bf62e-9883-70ae-b4e4-b75a7a568ea5",
    "name": "michal3",
    "locale": "cs",
}

4.2.17

{
    "@context": "\/api\/contexts\/UserSummaryView",
    "@id": "\/api\/v1\/users\/me",
    "@type": "UserSummaryView",
    "id": "019bf62e-9883-70ae-b4e4-b75a7a568ea5",
    "name": "michal3",
    "locale": {
        "@type": "Locale",
        "@id": "\/api\/.well-known\/genid\/b5b354de979217933bf9"
    },
}

[soyuka]

#7779 is in cause. It should work if your enum is a resource though, I'll work on a patch.