feat(auth): 登录异常改为居中弹窗

lib/l10n/app_id.arb

@@ -409,6 +409,9 @@
   "authPasswordLength": "Kata sandi harus 8-64 karakter",
   "authPasswordWeak": "Kata sandi perlu huruf dan angka",
   "authNetworkError": "Jaringan bermasalah, coba lagi",
+  "authLoginFailed": "Gagal masuk",
+  "authRegisterFailed": "Pendaftaran gagal",
+  "authErrorConfirm": "Mengerti",
   "authSwitchToSignUp": "Baru di sini? Buat akun",
   "authSwitchToSignIn": "Sudah punya akun? Masuk",
   "authGateTitle": "Masuk untuk melanjutkan",