Pattern directory on WordPress 6.6

I use the following code to disable the Pattern directory but after upgrading to 6.6.1 the Pattern tab is showing even without contain any patterns. Is this a bug?

https://developer.ww.wp.xz.cn/block-editor/how-to-guides/curating-the-editor-experience/disable-editor-functionality/#disable-the-pattern-directory

I also use the following:
add_filter( 'should_load_remote_block_patterns', '__return_false' );