Feature description

Hi, I was thinking about an easier way to check whether a player is whitelisted, as currently there is no built-in checker in vanilla, Paper or EssX. The easiest thing would be to add another line to the admin output of /seen. Along with the UUID, IP, location etc, there could also be an additional line - Whitelisted: true/false.

How the feature is useful

When you want to check if a player is whitelisted, you can either run /whitelist list, or you can try to add/remove them and based on the result, you know. I think adding this piece of information into /seen (and/or /whois) could be a quicker and more practical way of checking.

Thank you!

Thank you so much!