Fix AR page when using some themes that mess up with the singular template.

tec-tickets-ar-page-themes.php

<?php
//* Do NOT include the opening php tag

add_filter( 'the_posts', 'tec_tickets_ar_page_themes', -5 );
/**
 * Fix AR page when using some themes that mess up with the singular template.
 *
 * @param array $posts The list of posts.
 * @return array $posts.
 */
function tec_tickets_ar_page_themes( $posts ) {
	global $wp, $wp_query;

	$template = tribe( 'tickets.attendee_registration.template' );

	// Bail if we're not on the attendee info page.
	if ( ! $template->is_on_ar_page() ) {
		return $posts;
	}

	// Set as singular if using hello elementor.
	$wp_query->is_singular = true;

	return $posts;
}