feat(user.prefered_locale): save user's locale + invited have same locale as inviters

- OIDC JIT define the locale only at user creation, user can so change his preference later
    - invited users will inherit inviter's locale
    - email will use prefered_locale
    - login to a new browser will use prefered_locale

src/common/di.rs

@@ -1018,6 +1018,7 @@ impl AppServiceFactory {
                     email_sender,
                     lifecycle,
                     app_state.applications.i18n_service.clone(),
+                    app_state.locale_registry.clone(),
                     self.config.magic_link.clone(),
                     self.config.base_url(),
                 ),