Clear Packet Queue on Disconnect

By: md_5 <git@md-5.net>

paper-server/patches/sources/net/minecraft/network/Connection.java.patch

@@ -73,3 +73,11 @@
              public void write(ChannelHandlerContext channelhandlercontext, Object object, ChannelPromise channelpromise) throws Exception {
                  super.write(channelhandlercontext, object, channelpromise);
              }
+@@ -661,6 +674,7 @@
+ 
+                     packetlistener1.onDisconnect(disconnectiondetails);
+                 }
++                this.pendingActions.clear(); // Free up packet queue.
+ 
+             }
+         }

paper-server/patches/sources/net/minecraft/server/network/ServerCommonPacketListenerImpl.java.patch

@@ -197,7 +197,7 @@
  
      public void send(Packet<?> packet, @Nullable PacketSendListener callbacks) {
 +        // CraftBukkit start
-+        if (packet == null) {
++        if (packet == null || this.processedDisconnect) { // Spigot
 +            return;
 +        } else if (packet instanceof ClientboundSetDefaultSpawnPositionPacket) {
 +            ClientboundSetDefaultSpawnPositionPacket packet6 = (ClientboundSetDefaultSpawnPositionPacket) packet;