Discord integration leave messages don't parse PAPIProxyBridge placeholders

[ilightwas]

By the time PAPIProxyBridge tries to parse a placeholder it will not find the player online and not parse anything.

NetworkJoinMessages/src/main/java/xyz/earthcow/networkjoinmessages/common/util/PlaceholderResolver.java

Line 98 in dfb2511

placeholderAPI.formatPlaceholders(message, player.getUniqueId()).thenAccept(callback);

https://github.com/WiIIiam278/PAPIProxyBridge/blob/72367f6595105edd73c4b48da40bd2db0e8afc51/common/src/main/java/net/william278/papiproxybridge/api/PlaceholderAPI.java#L235