Fetch the userInfo once loggedIn and expose the capability of admin (#7682)

* Fetch the userInfo once loggedIn and expose the cabilibility of admin

* Rollback method

* Return same use if defined

* Use the same pepleContent service for UserInfoCOmpnent

* Remove useless import

* Use interface

* Use angular resolver instead of guard

* Remove fdescribe

* Fix linting

* Regenerate doc

* Improve doc

* Fix optional

* Fix the unit test

* Fix comment

* Fix lint

* Fix unit

* Add fetch user as part of the ssoGuard

* Fix unit test after fetch

* Add additional unit

* Fix await

docs/core/services/app-config.service.md

@@ -30,6 +30,10 @@ Supports app configuration settings, stored server side.
 -   **load**(): [`Promise`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Using_promises)`<any>`<br/>
     Loads the config file.
     -   **Returns** [`Promise`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Using_promises)`<any>` - Notification when loading is complete
+-   **loadWellKnown**(hostIdp: `string`): [`Promise`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Using_promises)`<`[`OpenidConfiguration`](../../../lib/core/services/openid-configuration.interface.ts)`>`<br/>
+    Call the discovery API to fetch configuration
+    -   _hostIdp:_ `string`  - 
+    -   **Returns** [`Promise`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Using_promises)`<`[`OpenidConfiguration`](../../../lib/core/services/openid-configuration.interface.ts)`>` - Discovery configuration
 -   **select**(property: `string`): [`Observable`](http://reactivex.io/documentation/observable.html)`<any>`<br/>
     Requests notification of a property value when it is loaded.
     -   _property:_ `string`  - The desired property value