Add All option to Format dropdown on events page

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: dd32

public_html/wp-content/themes/wporg-events-2023/inc/events-query.php

@@ -462,10 +462,11 @@ function get_format_type_options( array $options ): array {
 		'key' => 'format_type',
 		'action' => build_form_action_url(),
 		'options' => array(
+			''          => 'All',
 			'online'    => 'Online',
 			'in-person' => 'In Person',
 		),
-		'selected' => $selected,
+		'selected' => $count > 0 ? $selected : array( '' ),
 	);
 }