Add logging for userkey / device trust rotation (#11682)

* Add logging for userkey rotation

* Fix tests

libs/common/src/services/notifications.service.ts

@@ -193,6 +193,7 @@ export class NotificationsService implements NotificationsServiceAbstraction {
         break;
       case NotificationType.LogOut:
         if (isAuthenticated) {
+          this.logService.info("[Notifications Service] Received logout notification");
           // FIXME: Verify that this floating promise is intentional. If it is, add an explanatory comment and ensure there is proper error handling.
           // eslint-disable-next-line @typescript-eslint/no-floating-promises
           this.logoutCallback("logoutNotification");