Fix IPC on Forge 1.17.1 - 1.20.1 (#4187)

* Reapply "Implement a more robust IPC system between the launcher and client (#4159)"

This reverts commit e25d726da4.

* Put game JAR and theseus JAR ahead of other JARs in classpath

* Fix 1.17-1.20 Forge by forcefully removing Multi-Release manifest entry

* Fix formatting

---------

Co-authored-by: Prospector <6166773+Prospector@users.noreply.github.com>

packages/app-lib/src/api/mod.rs

@@ -35,6 +35,9 @@ pub mod prelude {
         jre, metadata, minecraft_auth, mr_auth, pack, process,
         profile::{self, Profile, create},
         settings,
-        util::io::{IOError, canonicalize},
+        util::{
+            io::{IOError, canonicalize},
+            network::tcp_listen_any_loopback,
+        },
     };
 }