Fix ClipboardListener.onLogin loading copy schem for builder

BauSystem_Main/src/de/steamwar/bausystem/features/world/ClipboardListener.java

@@ -36,7 +36,7 @@ public class ClipboardListener implements Listener {
 
     @EventHandler
     public void onLogin(PlayerJoinEvent e) {
-        if(!Permission.BUILD.hasPermission(e.getPlayer())) return;
+        if(!Permission.SUPERVISOR.hasPermission(e.getPlayer())) return;
 
         try {
             SchematicNode schematic = SchematicNode.getSchematicNode(SteamwarUser.get(e.getPlayer().getUniqueId()).getId(), CLIPBOARD_SCHEMNAME, (Integer) null);