Why is the user still anonymous after login?

Question

symfony

providers:
        db_user_provider:
            entity:
               class: 'App\Entity\User'

    firewalls:
      dev:
          pattern: ^/(_(profiler|wdt)|css|images|js)/
          security: false

      secured_area:
          pattern:  ^/aa
          anonymous:  ~
// если тут поставить как должно быть FALSE, будет выкидывать окно для авторизации, в котором все-равно невозможно авторизироваться
          http_basic: true
          provider: 'db_user_provider'

      api:
        pattern: ^/api
        provider: 'db_user_provider'
        http_basic: false
        anonymous:  true
#        remember_me:

...

 /** @var User $user */
        $user = ...
        $token = new UsernamePasswordToken($user, null, 'secured_area', $user->toRoles());
        $this->get('security.token_storage')->setToken($token);
        $this->get('session')->set('_security_secured_area', serialize($token));

       return new RedirectResponse($this->generateUrl('admin.dashboard'));

The token has been generated and saved in the var/sessions/dev folder, however there is nothing in the google chrome developer panel under Sessions.
Before authorization writes that N / A, and after authorization such that it is authorized anonymously.
User in token

$user = User {#3191 ▼
  -id: 1
  -email: UserEmail {#3209 ▼
    -email: "[email protected]"
  }
  -password: UserPassword {#3215 ▼
    -password: "$2y$13$Abjsa3QmN0yEuwKUkcOigeJcI3OFg2RnqoJyBZtYFeDWmLAK8uyWG"
  }
  #plainPassword: null
  -salt: UserSalt {#3221 ▼
    -salt: "pQGzrmJE6URrBP80u2+kCbkfjxLjkIR4xPhMOmE4TGpVm4Eil0rOJ/CCN5QCngewwFzXfOQPJg=="
  }
  -roles: array:1 [▼
    0 => "ROLE_ADMIN"
  ]
}

I thought the problem was my implementation, however, I copied everything from here
https://symfony.com/doc/current/security/entity_pr...
the current user is anonymous, and the user is anonymous, why?
An example of a token that only creates in the var/ses/dev folder

_sf2_attributes|a:1:{s:14:"_security_main";s:386:"C:74:"Symfony\Component\Security\Core\Authentication\Token\UsernamePasswordToken":298:{a:3:{i:0;N;i:1;s:4:"main";i:2;s:258:"a:4:{i:0;C:32:"App\Entity\User":47:{a:3:{i:0;i:1;i:1;s:6:"ADMINN";i:2;s:5:"admin";}}i:1;b:1;i:2;a:1:{i:0;O:41:"Symfony\Component\Security\Core\Role\Role":1:{s:47:" Symfony\Component\Security\Core\Role\Role role";s:9:"ROLE_USER";}}i:3;a:0:{}}";}}";}_sf2_meta|a:3:{s:1:"u";i:1524566202;s:1:"c";i:1524566202;s:1:"l";s:1:"0";}

Token during authorization:

UsernamePasswordToken {#3295 ▼
  -credentials: null
  -providerKey: "admin"
  -user: User {#3243 ▼
    -uuid: UserID {#3249 ▶}
    -nickname: UserNickname {#3255 ▶}
    -email: UserEmail {#3261 ▼
      -email: "[email protected]"
    }
    -password: UserPassword {#3267 ▶}
    #plainPassword: null
    -salt: UserSalt {#3273 ▶}
    -createdAt: Carbon @1524567540 {#3240 ▶}
    -roles: array:2 [▶]
  }
  -roles: array:2 [▼
    0 => Role {#3296 ▼
      -role: "ROLE_USER"
    }
    1 => Role {#3297 ▼
      -role: "ROLE_ADMIN"
    }
  ]
  -authenticated: true
  -attributes: []
}

After authorization, when we go to the dashboard link:

TokenStorage {#1701 ▼
  -token: AnonymousToken {#1867 ▼
    -secret: "YCvNHkx"
    -user: "anon."
    -roles: []
    -authenticated: true
    -attributes: []
  }
}

However, the user is still an anon, as shown by the profiler and check for isGranted in the twig template.

Answer 1

https://github.com/symfony/symfony/issues/18608

Answer 2

secured_area

is it a firewall? Does it have a provider?
provider: db_user_provider