update metadata refresh approach

same fix, less work needed to do it

Spigot-Server-Patches/Update-entity-Metadata-for-all-tracked-players.patch

@@ -1,12 +1,11 @@
 From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
 From: AgentTroll <woodyc40@gmail.com>
 Date: Fri, 22 Mar 2019 22:24:03 -0700
-Subject: [PATCH] Fixes issues with player interaction preventing metadata from
- being updated for other players
+Subject: [PATCH] Update entity Metadata for all tracked players
 
 
 diff --git a/src/main/java/net/minecraft/server/PlayerConnection.java b/src/main/java/net/minecraft/server/PlayerConnection.java
-index c4edb5b85d..d2dd5d5be5 100644
+index c4edb5b85..65e76491b 100644
 --- a/src/main/java/net/minecraft/server/PlayerConnection.java
 +++ b/src/main/java/net/minecraft/server/PlayerConnection.java
 @@ -0,0 +0,0 @@ public class PlayerConnection implements PacketListenerPlayIn, ITickable {
@@ -14,10 +13,7 @@ index c4edb5b85d..d2dd5d5be5 100644
                      if (event.isCancelled() || this.player.inventory.getItemInHand() == null || this.player.inventory.getItemInHand().getItem() != origItem) {
                          // Refresh the current entity metadata
 -                        this.sendPacket(new PacketPlayOutEntityMetadata(entity.getId(), entity.datawatcher, true));
-+                        // Paper start - update entity for all players
-+                        // this.sendPacket(new PacketPlayOutEntityMetadata(entity.getId(), entity.datawatcher, true));
-+                        entity.tracker.track(worldserver.players);
-+                        // Paper end
++                        entity.tracker.broadcast(new PacketPlayOutEntityMetadata(entity.getId(), entity.datawatcher, true)); // Paper - update entity for all players
                      }
  
                      if (event.isCancelled()) {