SPIGOT-7171: Ability to get the IP/hostname players are requesting status of

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

paper-server/nms-patches/net/minecraft/network/NetworkManager.patch

@@ -1,6 +1,14 @@
 --- a/net/minecraft/network/NetworkManager.java
 +++ b/net/minecraft/network/NetworkManager.java
-@@ -164,7 +164,7 @@
+@@ -84,6 +84,7 @@
+     private float averageSentPackets;
+     private int tickCount;
+     private boolean handlingFault;
++    public String hostname = ""; // CraftBukkit - add field
+ 
+     public NetworkManager(EnumProtocolDirection enumprotocoldirection) {
+         this.receiving = enumprotocoldirection;
+@@ -164,7 +165,7 @@
      }
  
      private static <T extends PacketListener> void genericsFtw(Packet<T> packet, PacketListener packetlistener) {
@@ -9,7 +17,7 @@
      }
  
      public void setListener(PacketListener packetlistener) {
-@@ -289,7 +289,7 @@
+@@ -289,7 +290,7 @@
  
      public void disconnect(IChatBaseComponent ichatbasecomponent) {
          if (this.channel.isOpen()) {