Fix headmeta for bedrock player

SpigotCore_8/src/de/steamwar/core/FlatteningWrapper8.java

@@ -59,7 +59,7 @@ public class FlatteningWrapper8 implements FlatteningWrapper.IFlatteningWrapper
     public ItemStack setSkullOwner(String player) {
         ItemStack head = new ItemStack(Material.SKULL_ITEM, 1, (short) 3);
         SkullMeta headmeta = (SkullMeta) head.getItemMeta();
-        headmeta.setOwner(player);
+        headmeta.setOwner(player.startsWith(".") ? player.substring(1) : player);
         headmeta.setDisplayName(player);
         head.setItemMeta(headmeta);
         return head;