Correctly mark EpollServerDomainSocketChannel.isActive() as true afte…

…r bind is complete.]

Motivation:

We missed to set active = true in EpollServerDomainSocketChannel.doBind(...) which also means that channelActive(...) was never triggered.

Modifications:

Correct set active = true in doBind(...)

Result:

EpollServerDomainSocketChannel is correctly set to active when bound.

transport-native-epoll/src/main/java/io/netty/channel/epoll/EpollServerDomainSocketChannel.java

@@ -75,6 +75,7 @@ protected void doBind(SocketAddress localAddress) throws Exception {
         fd().bind(localAddress);
         fd().listen(config.getBacklog());
         local = (DomainSocketAddress) localAddress;
+        active = true;
     }
 
     @Override