JetFormBuilder Fix embedding videos in some cases

code.php

<?php

class JFB_Autoembed_Fix {

	public function __construct() {
		add_filter( 'jet-form-builder/before-start-form', array( $this, 'add_filter' ) );
		add_filter( 'jet-form-builder/after-end-form', array( $this, 'remove_filter' ) );
	}

	public function add_filter( $start ) {
		add_filter( 'render_block', array( $this, 'autoembed' ), 10 );

		return $start;
	}

	public function remove_filter( $end ) {
		remove_filter( 'render_block', array( $this, 'autoembed' ), 10 );

		return $end;
	}

	public function autoembed( $content ) {
		global $wp_embed;
		
		if ( empty( $wp_embed ) ) {
			return $content;
		}

		return $wp_embed->autoembed( $content );
	}

}

new JFB_Autoembed_Fix();