SPIGOT-2135: Also clear sit pathfinder on toggle status

By: md_5 <git@md-5.net>

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

@@ -71,6 +71,7 @@ public class CraftTameableAnimal extends CraftAnimals implements Tameable, Creat
 
     public void setSitting(boolean sitting) {
         getHandle().setSitting(sitting);
+        getHandle().getGoalSit().setSitting(sitting);
     }
 
     @Override