Add WhitelistToggleEvent (#1899)

Spigot-Server-Patches/Call-WhitelistToggleEvent-when-whitelist-is-toggled.patch

@@ -0,0 +1,19 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Mark Vainomaa <mikroskeem@mikroskeem.eu>
+Date: Wed, 13 Mar 2019 20:08:09 +0200
+Subject: [PATCH] Call WhitelistToggleEvent when whitelist is toggled
+
+
+diff --git a/src/main/java/net/minecraft/server/PlayerList.java b/src/main/java/net/minecraft/server/PlayerList.java
+index 408c382d..b1630137 100644
+--- a/src/main/java/net/minecraft/server/PlayerList.java
++++ b/src/main/java/net/minecraft/server/PlayerList.java
+@@ -0,0 +0,0 @@ public abstract class PlayerList {
+     }
+ 
+     public void setHasWhitelist(boolean flag) {
++        new com.destroystokyo.paper.event.server.WhitelistToggleEvent(flag).callEvent();
+         this.whitelist.setEnabled(flag); // Paper
+     }
+ 
+--