Fix ChatListener for discord messages

src/de/steamwar/bungeecore/listeners/ChatListener.java

@@ -174,7 +174,7 @@ public class ChatListener extends BasicListener {
     public static void discordChat(SteamwarUser user, String message){
         String name = "§r" + user.getUserName() + "§r";
         if (user.getUserGroup() != UserGroup.Member) {
-            name = user.getUserGroup().getColorCode() + user.getUserGroup().name() + " " + user.getUserName() + "§r";
+            name = user.getUserGroup().getColorCode() + user.getUserGroup().getChatPrefix() + " " + user.getUserName() + "§r";
         }
         String chatcolor = user.getUserGroup().getChatColorCode();