Actually handle GameOptions package

rust/src/net/protocol.rs

@@ -239,6 +239,11 @@ impl NetworkManager {
                                 game.bind_mut().handle_telegrenade_teleport(player_id, to);
                             }
                         }
+                        Package::GameOptions(opts) => {
+                            if let Some(game) = &mut Game::singleton() {
+                                game.bind_mut().opts = opts;
+                            }
+                        }
                         _ => {}
                     },
                 },