Properly override sign_in_and_redirect with right arity

for `Devise::Controllers::Helpers#sign_in_and_redirect`,
which has arity of -2:
https://www.rubydoc.info/github/plataformatec/devise/Devise%2FControllers%2FHelpers:sign_in_and_redirect

ee/app/controllers/ee/ldap/omniauth_callbacks_controller.rb

@@ -6,7 +6,7 @@ module EE
       extend ::Gitlab::Utils::Override
 
       override :sign_in_and_redirect
-      def sign_in_and_redirect(user)
+      def sign_in_and_redirect(user, *args)
         # The counter gets incremented in `sign_in_and_redirect`
         show_ldap_sync_flash if user.sign_in_count == 0