Updated Upstream (Bukkit/CraftBukkit/Spigot)

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:
6de6ac4a BlockDropItemEvent should refer to getBlockState rather than getBlockData
2b555a75 Fix BlockDropItemEvent for Skulls and Shulker Boxes

CraftBukkit Changes:
f17d591c Fix BlockDropItemEvent for Skulls and Shulker Boxes

Spigot Changes:
f56e2e78 Catch async recipe add

Spigot-Server-Patches/ExperienceOrbs-API-for-Reason-Source-Triggering-play.patch

@@ -186,7 +186,7 @@ index bf061cf06..55f978768 100644
                  // CraftBukkit end
              }
 diff --git a/src/main/java/net/minecraft/server/PlayerInteractManager.java b/src/main/java/net/minecraft/server/PlayerInteractManager.java
-index 32b0e7965..5b8ddc76e 100644
+index a165378ac..50a1239c2 100644
 --- a/src/main/java/net/minecraft/server/PlayerInteractManager.java
 +++ b/src/main/java/net/minecraft/server/PlayerInteractManager.java
 @@ -0,0 +0,0 @@ public class PlayerInteractManager {

Spigot-Server-Patches/Extend-Player-Interact-cancellation.patch

@@ -13,7 +13,7 @@ Update adjacent blocks of doors, double plants, pistons and beds
 when cancelling interaction.
 
 diff --git a/src/main/java/net/minecraft/server/PlayerInteractManager.java b/src/main/java/net/minecraft/server/PlayerInteractManager.java
-index aa7780eff..23223e89d 100644
+index 50a1239c2..ef0b03795 100644
 --- a/src/main/java/net/minecraft/server/PlayerInteractManager.java
 +++ b/src/main/java/net/minecraft/server/PlayerInteractManager.java
 @@ -0,0 +0,0 @@ public class PlayerInteractManager {

Spigot-Server-Patches/MC-136865-Use-valid-item-for-enchantment-checks-on-b.patch

@@ -13,7 +13,7 @@ keep the clone of the item used to a non empty value so it represents
 the item used.
 
 diff --git a/src/main/java/net/minecraft/server/PlayerInteractManager.java b/src/main/java/net/minecraft/server/PlayerInteractManager.java
-index 1d76c4c99..be6cd6adf 100644
+index cf5392311..843644933 100644
 --- a/src/main/java/net/minecraft/server/PlayerInteractManager.java
 +++ b/src/main/java/net/minecraft/server/PlayerInteractManager.java
 @@ -0,0 +0,0 @@ public class PlayerInteractManager {