Fix calling UnknownCommandEvent (#8232)

patches/server/Vanilla-command-permission-fixes.patch

@@ -37,10 +37,9 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 --- a/src/main/java/net/minecraft/commands/Commands.java
 +++ b/src/main/java/net/minecraft/commands/Commands.java
 @@ -0,0 +0,0 @@ public class Commands {
-         if (environment.includeIntegrated) {
-             PublishCommand.register(this.dispatcher);
          }
--
+         this.vanillaCommandNodes.addAll(this.dispatcher.getRoot().getChildren()); // Paper
+ 
 +        // Paper start
 +        for (final CommandNode<CommandSourceStack> node : this.dispatcher.getRoot().getChildren()) {
 +            if (node.getRequirement() == com.mojang.brigadier.builder.ArgumentBuilder.<CommandSourceStack>defaultRequirement()) {