chore(bukkit): better discordsrv support and new isOnQuit
vanish option api
chore(bukkit): keep flying state in toggle sneak gamemode feature
fix(bukkit): prevent fake join/quit message on /sayanvanish <player>
command if the player is offline
fix(bukkit): disabling checkPermissionOnQuit
caused all players to get vanished upon join
chore(proxy/velocity): rename online_players
feature to updating_ping
fix(bukkit): don't trigger discordsrv join/quit message if the vanish/unvanish event is called upon join