Fix fully_authenticated? check for users when not required.

This change is required to enable the navigation menu on certain pages, e.g., the welcome page.

Author: MrSerth

app/controllers/application_controller.rb

@@ -31,6 +31,7 @@ def current_user
     return @current_user if defined? @current_user
 
     @current_user = find_or_login_current_user&.store_current_study_group_id(session[:study_group_id])
+    _store_authentication_result(@current_user)
   end
 
   def current_contributor

app/controllers/concerns/webauthn/authentication.rb

@@ -114,6 +114,13 @@ def _sign_in_as(user)
           session[:external_user_id] = user.id
         end
 
+        _store_authentication_result(user)
+      end
+
+      def _store_authentication_result(user)
+        return unless user
+        return user if user.fully_authenticated?
+
         if user.webauthn_configured?
           # The user is fully authenticated if the WebAuthn authentication completed
           user.store_authentication_result(_webauthn_credential_authentication_completed?(user))