Fixed error when no SQL queries logged by core.

src/Record/Sql_Record_Collector.php

@@ -56,12 +56,12 @@ class Sql_Record_Collector implements Record_Collector_Interface {
 	 */
 	public function get_records(): array {
 
-		if ( ! $this->is_savequeries() ) {
+		global $wpdb;
+
+		if ( empty( $wpdb->queries ) ) {
 			return [];
 		}
 
-		global $wpdb;
-
 		/** @var array $wpdb->queries */
 		return array_map( [ $this, 'transform' ], array_keys( $wpdb->queries ), $wpdb->queries );
 	}