fix(client): hide bot protection warning with disabled registrations (#8794)

* fix(client): hide bot protection warning with disabled registrations

* Apply review suggestion from @Johann150

Co-authored-by: Johann150 <johann@qwertqwefsday.eu>

Co-authored-by: Johann150 <johann@qwertqwefsday.eu>
Co-authored-by: syuilo <Syuilotan@yahoo.co.jp>

packages/client/src/pages/admin/index.vue

@@ -58,7 +58,7 @@ let view = $ref(null);
 let el = $ref(null);
 let pageProps = $ref({});
 let noMaintainerInformation = isEmpty(instance.maintainerName) || isEmpty(instance.maintainerEmail);
-let noBotProtection = !instance.enableHcaptcha && !instance.enableRecaptcha;
+let noBotProtection = !instance.disableRegistration && !instance.enableHcaptcha && !instance.enableRecaptcha;
 let noEmailServer = !instance.enableEmail;
 let thereIsUnresolvedAbuseReport = $ref(false);