node--book--full.html.twig in Open Social 8.8

{% extends "node--full.html.twig" %}

{% block nodefull_body %}
  {{ content|without('book_navigation', 'flag_follow_content', 'links') }}
{% endblock %}

{% block nodefull_below_content %}
  {{ content.book_navigation }}
  {{ below_content }}
{% endblock %}