Couple fixes for command blocks (#8004)

patches/server/0008-Adventure.patch

@@ -2012,7 +2012,7 @@ index 40421cc8ef25f1bef32a0a5d2f0f25165efe230a..1357bc97801f892e59fc8e89c3cc2d69
 +    // Paper end
  }
 diff --git a/src/main/java/org/bukkit/craftbukkit/Main.java b/src/main/java/org/bukkit/craftbukkit/Main.java
-index c694c6dfed0b3aa098b1822676e39bd3eb04b45a..0d427758182ebe01d612d5140e4a0d519a96d8c0 100644
+index df98326c49973183e81ccb96d4b1a7a7626dffee..18652607d36a980a4b0956584f8a722be776dad2 100644
 --- a/src/main/java/org/bukkit/craftbukkit/Main.java
 +++ b/src/main/java/org/bukkit/craftbukkit/Main.java
 @@ -19,6 +19,12 @@ public class Main {
@@ -2242,15 +2242,20 @@ index 3f5292deeeddb8a6a5df57aac01f48ba11be6d7c..911843bf38ab750edd4a63417ba7a9de
          Component[] components = new Component[4];
  
 diff --git a/src/main/java/org/bukkit/craftbukkit/command/CraftBlockCommandSender.java b/src/main/java/org/bukkit/craftbukkit/command/CraftBlockCommandSender.java
-index 3de88112bdb08d6bd0d28f20582c4090bfd8dbfe..11164a28018be3ba46f898e57a1eefbeb0360426 100644
+index 3de88112bdb08d6bd0d28f20582c4090bfd8dbfe..87f2cea36d852c81fdb0a1bc21162d41377ab2e7 100644
 --- a/src/main/java/org/bukkit/craftbukkit/command/CraftBlockCommandSender.java
 +++ b/src/main/java/org/bukkit/craftbukkit/command/CraftBlockCommandSender.java
-@@ -45,6 +45,13 @@ public class CraftBlockCommandSender extends ServerCommandSender implements Bloc
+@@ -45,6 +45,18 @@ public class CraftBlockCommandSender extends ServerCommandSender implements Bloc
          return this.block.getTextName();
      }
  
 +    // Paper start
 +    @Override
++    public void sendMessage(net.kyori.adventure.identity.Identity identity, net.kyori.adventure.text.Component message, net.kyori.adventure.audience.MessageType type) {
++        block.source.sendSystemMessage(io.papermc.paper.adventure.PaperAdventure.asVanilla(message));
++    }
++
++    @Override
 +    public net.kyori.adventure.text.Component name() {
 +        return io.papermc.paper.adventure.PaperAdventure.asAdventure(this.block.getDisplayName());
 +    }

patches/server/0915-Don-t-broadcast-messages-to-command-blocks.patch

@@ -0,0 +1,34 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Jake Potrebic <jake.m.potrebic@gmail.com>
+Date: Thu, 16 Jun 2022 14:22:56 -0700
+Subject: [PATCH] Don't broadcast messages to command blocks
+
+Previously the broadcast method would update the last output
+in command blocks, and if called asynchronously, would throw
+an error
+
+diff --git a/src/main/java/net/minecraft/world/level/BaseCommandBlock.java b/src/main/java/net/minecraft/world/level/BaseCommandBlock.java
+index c0195f73cd2c8721e882c681eaead65471710081..861b348f73867af3199f1cc0dab1ddd4241d1567 100644
+--- a/src/main/java/net/minecraft/world/level/BaseCommandBlock.java
++++ b/src/main/java/net/minecraft/world/level/BaseCommandBlock.java
+@@ -172,6 +172,7 @@ public abstract class BaseCommandBlock implements CommandSource {
+     @Override
+     public void sendSystemMessage(Component message) {
+         if (this.trackOutput) {
++            org.spigotmc.AsyncCatcher.catchOp("sendSystemMessage to a command block"); // Paper
+             SimpleDateFormat simpledateformat = BaseCommandBlock.TIME_FORMAT;
+             Date date = new Date();
+ 
+diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+index f1e5ccfbcd08a73ac3aba9a1cb7b414faef81f9e..72311b27bb642ee05dba45b76935277d183012eb 100644
+--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
++++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+@@ -1736,7 +1736,7 @@ public final class CraftServer implements Server {
+         // Paper end
+         Set<CommandSender> recipients = new HashSet<>();
+         for (Permissible permissible : this.getPluginManager().getPermissionSubscriptions(permission)) {
+-            if (permissible instanceof CommandSender && permissible.hasPermission(permission)) {
++            if (permissible instanceof CommandSender && !(permissible instanceof org.bukkit.command.BlockCommandSender) && permissible.hasPermission(permission)) { // Paper - don't broadcast to BlockCommandSender (specifically Command Blocks)
+                 recipients.add((CommandSender) permissible);
+             }
+         }