Not a huge ask from the community, but something that I run into
frequently is not being able to cycle the auto completion menus past the
beginning / end, so I quickly added it. This matches VS Code behavior:


https://github.com/zed-industries/zed/assets/19867440/bc4606d7-2076-4036-aedc-f3cf5ba349dc

Release Notes:

- Enhanced popover menus with circular navigation
([#632](https://github.com/zed-industries/community/issues/632)).