fix(Functions): Fixed array key check for term

Author: seebeen

Term.php

@@ -59,7 +59,7 @@ private static function parse_format_args( array $args ): array {
             'taxonomy'    => null,
         );
 
-        if ( ! $args['link_format'] ) {
+        if ( ! ( $args['link_format'] ?? false ) ) {
             $args['link_items'] = false;
             $args['link_final'] = false;
         }

WPFS.php

@@ -30,6 +30,7 @@ final public static function load(
 
     private static function hook(): void {
         require_once ABSPATH . 'wp-admin/includes/file.php';
+        require_once ABSPATH . 'wp-admin/includes/class-wp-filesystem-base.php';
         require_once ABSPATH . 'wp-admin/includes/class-wp-filesystem-direct.php';
         \add_filter( 'filesystem_method', array( self::class, 'fs_method' ), 99, 2 );
     }