Fix dropping of outbound configuration packets if sync processed (#2982)

fixes #2980

Author: Ingrim4

src/main/java/com/comphenix/protocol/injector/collection/OutboundPacketListenerSet.java

@@ -2,12 +2,10 @@
 
 import java.util.ArrayList;
 import java.util.List;
-import java.util.logging.Level;
 
 import javax.annotation.Nullable;
 
 import com.comphenix.protocol.PacketType;
-import com.comphenix.protocol.ProtocolLogger;
 import com.comphenix.protocol.concurrent.PacketTypeListenerSet;
 import com.comphenix.protocol.error.ErrorReporter;
 import com.comphenix.protocol.events.ListenerPriority;

src/main/java/com/comphenix/protocol/injector/netty/channel/NettyChannelInjector.java

@@ -320,6 +320,8 @@ public void sendServerPacket(Object packet, NetworkMarker marker, boolean filter
                 Object playerConnection = this.getPlayerConnection();
                 if (playerConnection != null) {
                     MinecraftMethods.getSendPacketMethod().invoke(playerConnection, packet);
+                } else {
+                    MinecraftMethods.getNetworkManagerHandleMethod().invoke(this.networkManager, packet);
                 }
             }
         } catch (Exception exception) {