Send no known packs

Author: valaphee

proxy/src/main/java/com/velocitypowered/proxy/connection/backend/ConfigSessionHandler.java

@@ -327,8 +327,7 @@ public boolean handle(TransferPacket packet) {
   public boolean handle(KnownPacksPacket packet) {
     // Server expects us to reply to this packet
     if (serverConn.getPlayer().getConnection().getState() != StateRegistry.CONFIG) {
-      // TODO: just replay the first packet the user sent
-      serverConn.ensureConnected().write(packet);
+      serverConn.ensureConnected().write(new KnownPacksPacket());
       return true;
     }
     return false; // forward

proxy/src/main/java/com/velocitypowered/proxy/protocol/packet/config/KnownPacksPacket.java

@@ -32,6 +32,10 @@ public class KnownPacksPacket implements MinecraftPacket {
 
     private KnownPack[] packs;
 
+    public KnownPacksPacket() {
+        packs = new KnownPack[0];
+    }
+
     @Override
     public void decode(ByteBuf buf, ProtocolUtils.Direction direction,
                        ProtocolVersion protocolVersion) {