Tameable#getOwnerUniqueId API

This is faster if all you need is the UUID, as .getOwner() will cause
an OfflinePlayer to be loaded from disk.

paper-server/src/main/java/org/bukkit/craftbukkit/entity/CraftAbstractHorse.java

@@ -88,6 +88,10 @@ public abstract class CraftAbstractHorse extends CraftAnimals implements Abstrac
         }
     }
 
+    @Override
+    public UUID getOwnerUniqueId() {
+        return getOwnerUUID();
+    }
     public UUID getOwnerUUID() {
         return this.getHandle().getOwnerUUID();
     }

paper-server/src/main/java/org/bukkit/craftbukkit/entity/CraftTameableAnimal.java

@@ -17,6 +17,10 @@ public class CraftTameableAnimal extends CraftAnimals implements Tameable, Creat
         return (TamableAnimal) super.getHandle();
     }
 
+    @Override
+    public UUID getOwnerUniqueId() {
+        return getOwnerUUID();
+    }
     public UUID getOwnerUUID() {
         try {
             return this.getHandle().getOwnerUUID();