Updated Upstream (Bukkit/CraftBukkit) (#6848)

Upstream has released updates that appear 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:
9b45fa2f #667: Allow setting BrewEvent results
8c776ddc SPIGOT-6762: ChatPaginator.wordWrap only transfers one modifier
da372966 SPIGOT-4590, SPIGOT-6769: Clarify DamageCause documentation

CraftBukkit Changes:
cef1fda3 #947: Add missing spawn eggs for SpawnEggMeta
eb9a0f34 #945: Allow setting BrewEvent results

patches/server/0821-VanillaCommandWrapper-didnt-account-for-entity-sende.patch

@@ -0,0 +1,23 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Jake Potrebic <jake.m.potrebic@gmail.com>
+Date: Fri, 10 Sep 2021 15:49:12 -0700
+Subject: [PATCH] VanillaCommandWrapper didnt account for entity senders
+
+
+diff --git a/src/main/java/org/bukkit/craftbukkit/command/VanillaCommandWrapper.java b/src/main/java/org/bukkit/craftbukkit/command/VanillaCommandWrapper.java
+index e9d1fb479855194da5a05e86861848158736cbb4..4aa1dc543950b5de64345b3403a6d0bc41c521df 100644
+--- a/src/main/java/org/bukkit/craftbukkit/command/VanillaCommandWrapper.java
++++ b/src/main/java/org/bukkit/craftbukkit/command/VanillaCommandWrapper.java
+@@ -64,8 +64,10 @@ public final class VanillaCommandWrapper extends BukkitCommand {
+     }
+ 
+     public static CommandSourceStack getListener(CommandSender sender) {
+-        if (sender instanceof Player) {
+-            return ((CraftPlayer) sender).getHandle().createCommandSourceStack();
++        // Paper start - account for other entity command senders
++        if (sender instanceof org.bukkit.craftbukkit.entity.CraftEntity craftEntity) {
++            return craftEntity.getHandle().createCommandSourceStack();
++        // Paper end
+         }
+         if (sender instanceof BlockCommandSender) {
+             return ((CraftBlockCommandSender) sender).getWrapper();