Remove Redundant Message when switching Servers

src/de/steamwar/bungeecore/listeners/mods/Fabric.java

@@ -42,7 +42,7 @@ public class Fabric extends BasicListener {
 
     private final Set<String> neededMods = new HashSet<>();
 
-    public static List<ProxiedPlayer> checkedPlayers = new LinkedList<>();
+    public static final Set<ProxiedPlayer> checkedPlayers = new HashSet<>();
 
     {
         neededMods.add("java");
@@ -63,8 +63,6 @@ public class Fabric extends BasicListener {
         ProxiedPlayer player = (ProxiedPlayer) e.getSender();
         SteamwarUser user = SteamwarUser.get(player.getUniqueId());
 
-        if(checkedPlayers.contains(player)) return;
-
         List<Mod> mods = new LinkedList<>();
 
         byte[] data = e.getData();
@@ -112,9 +110,9 @@ public class Fabric extends BasicListener {
         }
 
         if(Utils.handleMods(player,mods)) {
+            if(!checkedPlayers.contains(player)) Message.send("MODIFICATION_CHECK_SUCCESS", player);
             checkedPlayers.add(player);
             Storage.fabricPlayers.remove(player);
-            Message.send("MODIFICATION_CHECK_SUCCESS", player);
         }
     }