apply a couple network patches

patches/server/Add-packet-limiter-config.patch

@@ -28,9 +28,9 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 --- a/src/main/java/net/minecraft/network/Connection.java
 +++ b/src/main/java/net/minecraft/network/Connection.java
 @@ -0,0 +0,0 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
-     private static boolean enableExplicitFlush = Boolean.getBoolean("paper.explicit-flush");
-     // Paper end
- 
+         }
+     }
+     // Paper end - allow controlled flushing
 +    // Paper start - packet limiter
 +    protected final Object PACKET_LIMIT_LOCK = new Object();
 +    protected final @Nullable io.papermc.paper.util.IntervalledCounter allPacketCounts = io.papermc.paper.configuration.GlobalConfiguration.get().packetLimiter.allPackets.isEnabled() ? new io.papermc.paper.util.IntervalledCounter(
@@ -47,10 +47,9 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +        this.stopReadingPackets = true;
 +    }
 +    // Paper end - packet limiter
-+
+ 
      public Connection(PacketFlow side) {
          this.receiving = side;
-     }
 @@ -0,0 +0,0 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
  
      protected void channelRead0(ChannelHandlerContext channelhandlercontext, Packet<?> packet) {