[netty] Broken swagger-ui fix #3433

- removing `new FlushConsolidationHandler(DEFAULT_EXPLICIT_FLUSH_AFTER_FLUSHES, false)`
- setting 2nd argument to `true` caused the bug

modules/jooby-netty/src/main/java/io/jooby/internal/netty/NettyPipeline.java

@@ -5,8 +5,6 @@
  */
 package io.jooby.internal.netty;
 
-import static io.netty.handler.flush.FlushConsolidationHandler.DEFAULT_EXPLICIT_FLUSH_AFTER_FLUSHES;
-
 import java.util.concurrent.ScheduledExecutorService;
 import java.util.function.Supplier;
 
@@ -18,7 +16,6 @@
 import io.netty.channel.socket.SocketChannel;
 import io.netty.handler.codec.http.*;
 import io.netty.handler.codec.http.multipart.HttpDataFactory;
-import io.netty.handler.flush.FlushConsolidationHandler;
 import io.netty.handler.ssl.SslContext;
 
 public class NettyPipeline extends ChannelInitializer<SocketChannel> {
@@ -71,7 +68,11 @@ public void initChannel(SocketChannel ch) {
  if (sslContext != null) {
  p.addLast("ssl", sslContext.newHandler(ch.alloc()));
  }
- p.addLast(new FlushConsolidationHandler(DEFAULT_EXPLICIT_FLUSH_AFTER_FLUSHES, true));
+ // https://github.com/jooby-project/jooby/issues/3433:
+ // using new FlushConsolidationHandler(DEFAULT_EXPLICIT_FLUSH_AFTER_FLUSHES, true)
+ // cause the bug, for now I'm going to remove flush consolidating handler... doesn't seem to
+ // help much
+ // p.addLast(new FlushConsolidationHandler(DEFAULT_EXPLICIT_FLUSH_AFTER_FLUSHES, false));
  if (http2) {
  var settings = new Http2Settings(maxRequestSize, sslContext != null);
  var extension =