Elementor\Frontend::apply_builder_in_content PHP Method

    public function apply_builder_in_content($content)
    {
        // Remove the filter itself in order to allow other `the_content` in the elements
        remove_filter('the_content', [$this, 'apply_builder_in_content']);
        if (!$this->_is_frontend_mode) {
            return $content;
        }
        $post_id = get_the_ID();
        $builder_content = $this->get_builder_content($post_id);
        if (!empty($builder_content)) {
            $content = $builder_content;
        }
        // Add the filter again for other `the_content` calls
        add_filter('the_content', [$this, 'apply_builder_in_content']);
        return $content;
    }