Updated Upstream (Bukkit/CraftBukkit/Spigot)

Developers!: You will need to clean up your work/Minecraft/1.13.2 folder for this

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

Bukkit Changes:
b850a822 SPIGOT-4526: Add conversion time API for Zombie & subclasses

CraftBukkit Changes:
38cf676e SPIGOT-4534: CreatureSpawnEvent not being called for CHUNK_GEN
b446cb5d SPIGOT-4527: Fix sponges with waterlogged blocks
6ec8ea5c SPIGOT-4526: Add conversion time API for Zombie & subclasses
c64fe508 Mappings Update
a3c2ec03 Fix missing ServerListPingEvent call for legacy pings

Spigot Changes:
1dc156ce Rebuild patches
140f654d Mappings Update

Spigot-Server-Patches/Fix-Sending-Chunks-to-Client.patch

@@ -14,7 +14,7 @@ This fix always sends chunks to the client, and simply updates
 the client anytime post processing is triggered with the new chunk data.
 
 diff --git a/src/main/java/net/minecraft/server/Chunk.java b/src/main/java/net/minecraft/server/Chunk.java
-index 5d0ecb114..d36c79732 100644
+index aa7f01f19..e3d97757f 100644
 --- a/src/main/java/net/minecraft/server/Chunk.java
 +++ b/src/main/java/net/minecraft/server/Chunk.java
 @@ -0,0 +0,0 @@ public class Chunk implements IChunkAccess {
@@ -41,7 +41,7 @@ index 5d0ecb114..d36c79732 100644
      }
  
 diff --git a/src/main/java/net/minecraft/server/PlayerChunk.java b/src/main/java/net/minecraft/server/PlayerChunk.java
-index cbff0d946..3ac09b91f 100644
+index e61538b3c..f5d971bbe 100644
 --- a/src/main/java/net/minecraft/server/PlayerChunk.java
 +++ b/src/main/java/net/minecraft/server/PlayerChunk.java
 @@ -0,0 +0,0 @@ public class PlayerChunk {
@@ -50,9 +50,9 @@ index cbff0d946..3ac09b91f 100644
      private long i;
 -    private boolean done;
 +    boolean done; // Paper - package-private
- 
-     // CraftBukkit start - add fields
-     // You know the drill, https://hub.spigotmc.org/stash/projects/SPIGOT/repos/craftbukkit/browse
+     boolean chunkExists; // Paper
+     // Paper start
+     PaperAsyncChunkProvider.CancellableChunkRequest chunkRequest;
 @@ -0,0 +0,0 @@ public class PlayerChunk {
          }
      }