Luci feature: hide optional fields gone? (eg. luci-proto-wireguard)

Hello!

About a year ago - if I remember correctly - there was a "feature" in luci to enable optional fields to make them visible in the user interface.

As an example the current peer-section of luci-proto-wireguard looks like this:

Where most of the optional fields might be not so important for a specific usecase and
if you have more than 30 peers, it is not usable anymore.

For example: if I use wireguard as a "server for road warriors" maybe this interface would be sufficient:

Do I miss something or is this feature gone temporarily or forever?