Fixed regression introduced after BINARY_ACK change

src/main/java/com/corundumstudio/socketio/protocol/PacketDecoder.java

@@ -302,6 +302,7 @@ public class PacketDecoder {
 
             if (packet.getSubType() == PacketType.EVENT
                     || packet.getSubType() == PacketType.BINARY_EVENT) {
+                if (!packet.hasAttachments() || packet.isAttachmentsLoaded()) {
                     ByteBufInputStream in = new ByteBufInputStream(frame);
                     Event event = jsonSupport.readValue(packet.getNsp(), in, Event.class);
                     packet.setName(event.getName());
@@ -309,5 +310,6 @@ public class PacketDecoder {
                 }
             }
         }
+    }
 
 }