Make `--dev` listen by default on `/ip4/0.0.0.0/tcp/30333` (#11492)

If `--validator` is passed we also listen on this address and as `--dev` is a shortcut for multiple
CLI args, including `--validator`, we should make it consistent.

substrate/client/cli/src/params/network_params.rs

@@ -163,7 +163,7 @@ impl NetworkParams {
 		let port = self.port.unwrap_or(default_listen_port);
 
 		let listen_addresses = if self.listen_addr.is_empty() {
-			if is_validator {
+			if is_validator || is_dev {
 				vec![
 					Multiaddr::empty()
 						.with(Protocol::Ip6([0, 0, 0, 0, 0, 0, 0, 0].into()))