bunch of fixes and improvements

patches/server/0284-Async-command-map-building.patch

@@ -9,10 +9,10 @@ commands if the server is restarting. Using the default async pool caused issues
 due to the shutdown logic generally being much later.
 
 diff --git a/src/main/java/net/minecraft/commands/Commands.java b/src/main/java/net/minecraft/commands/Commands.java
-index 03966f447354fb16a01442ff6c6257fa19461bcd..6383cdfe3e2b61314fee7f7236dc7df1c1e8bfb6 100644
+index eec5279ac4386132fa053c57889e32e6b8141614..b754c0b3e2cd878fca5f702daca64f837ec83451 100644
 --- a/src/main/java/net/minecraft/commands/Commands.java
 +++ b/src/main/java/net/minecraft/commands/Commands.java
-@@ -460,6 +460,24 @@ public class Commands {
+@@ -452,6 +452,24 @@ public class Commands {
          if ( org.spigotmc.SpigotConfig.tabComplete < 0 ) return; // Spigot
          // CraftBukkit start
          // Register Vanilla commands into builtRoot as before
@@ -37,7 +37,7 @@ index 03966f447354fb16a01442ff6c6257fa19461bcd..6383cdfe3e2b61314fee7f7236dc7df1
          Map<CommandNode<CommandSourceStack>, CommandNode<SharedSuggestionProvider>> map = Maps.newIdentityHashMap(); // Use identity to prevent aliasing issues
          RootCommandNode vanillaRoot = new RootCommandNode();
  
-@@ -477,7 +495,14 @@ public class Commands {
+@@ -469,7 +487,14 @@ public class Commands {
          for (CommandNode node : rootcommandnode.getChildren()) {
              bukkit.add(node.getName());
          }