Fix FlatteningWrapper21

SpigotCore/SpigotCore_21/src/de/steamwar/core/FlatteningWrapper21.java

@@ -0,0 +1,42 @@
+/*
+ *   This file is a part of the SteamWar software.
+ *
+ *   Copyright (C) 2025 SteamWar.de-Serverteam
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU Affero General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU Affero General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Affero General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.core;
+
+import com.destroystokyo.paper.profile.PlayerProfile;
+import org.bukkit.Bukkit;
+import org.bukkit.Material;
+import org.bukkit.OfflinePlayer;
+import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.meta.SkullMeta;
+
+public class FlatteningWrapper21 extends FlatteningWrapper14 implements FlatteningWrapper.IFlatteningWrapper {
+
+    @Override
+    public ItemStack setSkullOwner(String player) {
+        ItemStack head = new ItemStack(Material.PLAYER_HEAD, 1);
+        head.editMeta(SkullMeta.class, skullMeta -> {
+            OfflinePlayer offlinePlayer = Bukkit.getOfflinePlayer(player.startsWith(".") ? player.substring(1) : player);
+            PlayerProfile playerProfile = offlinePlayer.getPlayerProfile();
+            if (!playerProfile.isComplete()) playerProfile.complete();
+            skullMeta.setPlayerProfile(playerProfile);
+        });
+        return head;
+    }
+}