[config b1.7.3] do not call 'close world' event for multiplayer

Author: SpaceWalkerRS

libraries/config/config-client-mcb1.3-1750-mcb1.7.3/src/main/java/net/ornithemc/osl/config/impl/ConfigInitializer.java

@@ -17,6 +17,7 @@
 
 public class ConfigInitializer implements ModInitializer {
 
+	// keep this here until Lifecycle Events has the saveName parameter in its event
 	public static final Event<BiConsumer<Minecraft, String>> START_GAME = Event.biConsumer();
 	// keep this here until Lifecycle Events has this...
 	public static final Event<Consumer<Minecraft>> CLOSE_WORLD = Event.consumer();

libraries/config/config-client-mcb1.3-1750-mcb1.7.3/src/main/java/net/ornithemc/osl/config/impl/mixin/client/MinecraftMixin.java

@@ -25,7 +25,7 @@ public class MinecraftMixin {
 		)
 	)
 	private void osl$config$closeWorld(World world, String message, PlayerEntity player, CallbackInfo ci) {
-		if (this.world != null && world == null && osl$config$startGameDepth == 0) {
+		if (this.world != null && !this.world.isMultiplayer && world == null && osl$config$startGameDepth == 0) {
 			ConfigInitializer.CLOSE_WORLD.invoker().accept((Minecraft)(Object)this);
 		}
 	}