SPIGOT-5968: Killer rabbits can't be set to the non-killer rabbit behavior

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

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

@@ -43,6 +43,7 @@ public class CraftRabbit extends CraftAnimals implements Rabbit {
             World world = ((CraftWorld) this.getWorld()).getHandle();
             entity.goalSelector = new PathfinderGoalSelector(world.getMethodProfilerSupplier());
             entity.targetSelector = new PathfinderGoalSelector(world.getMethodProfilerSupplier());
+            entity.initPathfinder();
             entity.initializePathFinderGoals();
         }