LoD don't render after updated the mod.

@Mixin(ClientPacketListener.class)
public class MixinClientPacketListener
{
    ...
    
    @Inject(method = "handleLogin", at = @At("RETURN"))
    void onHandleLoginEnd(CallbackInfo ci) 
    { 
        Thread t = new Thread(() -> 
        {
            try
            {
                Thread.sleep(1000); //without this delay the server will load in most times, but not every time
            }
            catch (Exception e) { throw new RuntimeException(e); }
            
            ClientApi.INSTANCE.onClientOnlyConnected();
            ClientApi.INSTANCE.clientLevelLoadEvent(ClientLevelWrapper.getWrapper(this.level, true));
        });
        t.start();
    }

  ...
}

@Mixin(ClientPacketListener.class)
public class MixinClientPacketListener
{
    ...
    
    @Inject(method = "handleLogin", at = @At("RETURN"))
    void onHandleLoginEnd(CallbackInfo ci) 
    { 
        Thread t = new Thread(() -> 
        {
            try
            {
                Thread.sleep(1000); //without this delay the server will load in most times, but not every time
            }
            catch (Exception e) { throw new RuntimeException(e); }
            
            ClientApi.INSTANCE.onClientOnlyConnected();
            ClientApi.INSTANCE.clientLevelLoadEvent(ClientLevelWrapper.getWrapper(this.level, true));
        });
        t.start();
    }

  ...
}