Finish converting all events to jspecify annotations

patches/api/EntityPathfindEvent.patch

@@ -49,6 +49,7 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +     *
 +     * @return The Entity that is pathfinding.
 +     */
++    @Override
 +    public Entity getEntity() {
 +        return this.entity;
 +    }