Fix non-English domain

https://github.com/2dust/v2rayNG/issues/4626
https://github.com/2dust/v2rayNG/commit/f305e26a395650301e5565d95ffb1d3199e846ed

V2rayNG/app/src/main/java/com/v2ray/ang/fmt/FmtBase.kt

@@ -27,7 +27,7 @@ open class FmtBase {
         val url = String.format(
             "%s@%s:%s",
             Utils.urlEncode(userInfo ?: ""),
-            Utils.getIpv6Address(config.server),
+            Utils.getIpv6Address(HttpUtil.toIdnDomain(config.server.orEmpty())),
             config.serverPort
         )