Blocking DNS resolves stalling game

[LoneDespair]

Godot version

3.3.3.stable

System information

Windows 10

Issue description

Connecting to a server
while connected to a wifi without internet
have a 50% chance of stalling the client for 12 seconds on all platforms

and returns an error of "_resolve_hostname: getaddrinfo failed! Cannot resolve hostname."

Steps to reproduce

1. Connect to a network without internet
2. Connect to a server on either WebSocketClient or NetworkedMultiplayerENet
3. 50% chance of stalling

Minimal reproduction project

No response

[Calinou]

This is due to DNS resolution currently being blocking.

This may be resolved by #53243 when using WebSocketClient. Can you build https://github.com/winterpixelgames/godot/tree/PR-wsl-connect_to_host from source to test it?

[mhilbrunner]

Closing as duplicate of #53265