fix: Use new auth object in session example. (#181)

Co-authored-by: Alexander Sandor <[email protected]>

docs/06-concepts/11-authentication/02-basics.md

@@ -2,11 +2,12 @@
 
 Serverpod automatically checks if the user is logged in and if the user has the right privileges to access the endpoint. When using the `serverpod_auth` module you will not have to worry about keeping track of tokens, refreshing them or, even including them in requests as this all happens automatically under the hood.
 
-The `Session` object provides information about the current user. A unique `userId` identifies a user. You should use this id whenever you a referring to a user. Access the id of a signed-in user through the `authenticated` field of the `Session` object.
+The `Session` object provides information about the current user. A unique `userId` identifies a user. You should use this id whenever you a referring to a user. Access the id of a signed-in user through the `authenticated` asynchronous getter of the `Session` object.
 
 ```dart
 Future<void> myMethod(Session session) async {
-  var userId = (await session.authenticated)?.userId;
+  final authenticationInfo = await session.authenticated;
+  final userId = authenticationInfo?.userId;
   ...
 }
 ```

versioned_docs/version-2.1.0/06-concepts/11-authentication/02-basics.md

@@ -2,11 +2,12 @@
 
 Serverpod automatically checks if the user is logged in and if the user has the right privileges to access the endpoint. When using the `serverpod_auth` module you will not have to worry about keeping track of tokens, refreshing them or, even including them in requests as this all happens automatically under the hood.
 
-The `Session` object provides information about the current user. A unique `userId` identifies a user. You should use this id whenever you a referring to a user. Access the id of a signed-in user through the `auth` field of the `Session` object.
+The `Session` object provides information about the current user. A unique `userId` identifies a user. You should use this id whenever you a referring to a user. Access the id of a signed-in user through the `authenticated` asynchronous getter of the `Session` object.
 
 ```dart
 Future<void> myMethod(Session session) async {
-  var userId = await session.auth.authenticatedUserId;
+  final authenticationInfo = await session.authenticated;
+  final userId = authenticationInfo?.userId;
   ...
 }
 ```

versioned_docs/version-2.2.0/06-concepts/11-authentication/02-basics.md

@@ -2,11 +2,12 @@
 
 Serverpod automatically checks if the user is logged in and if the user has the right privileges to access the endpoint. When using the `serverpod_auth` module you will not have to worry about keeping track of tokens, refreshing them or, even including them in requests as this all happens automatically under the hood.
 
-The `Session` object provides information about the current user. A unique `userId` identifies a user. You should use this id whenever you a referring to a user. Access the id of a signed-in user through the `authenticated` field of the `Session` object.
+The `Session` object provides information about the current user. A unique `userId` identifies a user. You should use this id whenever you a referring to a user. Access the id of a signed-in user through the `authenticated` asynchronous getter of the `Session` object.
 
 ```dart
 Future<void> myMethod(Session session) async {
-  var userId = (await session.authenticated)?.userId;
+  final authenticationInfo = await session.authenticated;
+  final userId = authenticationInfo?.userId;
   ...
 }
 ```

versioned_docs/version-2.3.0/06-concepts/11-authentication/02-basics.md

@@ -2,11 +2,12 @@
 
 Serverpod automatically checks if the user is logged in and if the user has the right privileges to access the endpoint. When using the `serverpod_auth` module you will not have to worry about keeping track of tokens, refreshing them or, even including them in requests as this all happens automatically under the hood.
 
-The `Session` object provides information about the current user. A unique `userId` identifies a user. You should use this id whenever you a referring to a user. Access the id of a signed-in user through the `authenticated` field of the `Session` object.
+The `Session` object provides information about the current user. A unique `userId` identifies a user. You should use this id whenever you a referring to a user. Access the id of a signed-in user through the `authenticated` asynchronous getter of the `Session` object.
 
 ```dart
 Future<void> myMethod(Session session) async {
-  var userId = (await session.authenticated)?.userId;
+  final authenticationInfo = await session.authenticated;
+  final userId = authenticationInfo?.userId;
   ...
 }
 ```