Updated Upstream (CraftBukkit)

Upstream has released updates that appears to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

CraftBukkit Changes:
17da3420 Fix reading custom persistent entity data
83783357 SPIGOT-4980: Shields will not be put on cooldown when hit with an axe
8d0f3722 SPIGOT-4752: Fixed inconsistency between isChunkLoaded and chunk load/unload events
3f9f31c3 SPIGOT-4982: Armor disappearing while breaking the armor stand

Spigot-Server-Patches/improve-CraftWorld-isChunkLoaded.patch

@@ -9,7 +9,7 @@ waiting for the execution queue to get to our request; We can just query
 the chunk status and get a response now, vs having to wait
 
 diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
-index a263d8e7fb..5632d3e3f7 100644
+index 88d179342f..c2e4eaf099 100644
 --- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
 +++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
 @@ -0,0 +0,0 @@ public class CraftWorld implements World {
@@ -17,7 +17,7 @@ index a263d8e7fb..5632d3e3f7 100644
      @Override
      public boolean isChunkLoaded(int x, int z) {
 -        net.minecraft.server.Chunk chunk = world.getChunkProvider().getChunkAt(x, z, false);
--        return chunk != null && chunk.loaded;
+-        return chunk != null;
 +        return world.getChunkProvider().isLoaded(x, z);// Paper
      }