Do not use worldgen executor for api profile completions

We cannot put blocking network I/O onto the worldgen threads,
this will crash the server if it stalls

patches/server/0710-Left-handed-API.patch

@@ -0,0 +1,26 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: William Blake Galbreath <blake.galbreath@gmail.com>
+Date: Thu, 14 Oct 2021 12:36:58 -0500
+Subject: [PATCH] Left handed API
+
+
+diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftMob.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftMob.java
+index d9008049188c1933f2b6b39b9219983ff947b4bf..d775e19402188e35f79affb4ed636b6533f90ab5 100644
+--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftMob.java
++++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftMob.java
+@@ -130,5 +130,15 @@ public abstract class CraftMob extends CraftLivingEntity implements Mob {
+     public int getMaxHeadPitch() {
+         return getHandle().getMaxHeadXRot();
+     }
++
++    @Override
++    public boolean isLeftHanded() {
++        return getHandle().isLeftHanded();
++    }
++
++    @Override
++    public void setLeftHanded(boolean leftHanded) {
++        getHandle().setLeftHanded(leftHanded);
++    }
+     // Paper end
+ }