Fix Visual Skull

Signed-off-by: Chaoscaot <chaoscaot444@gmail.com>

SpigotCore_Main/src/de/steamwar/inventory/SchematicSelector.java

@@ -276,7 +276,7 @@ public class SchematicSelector {
             inv.setItem(1, Material.PLAYER_HEAD, Core.MESSAGE.parse("SCHEM_SELECTOR_FILTER_OWNER", player), ownerCallback);
         } else {
             SteamwarUser tUser = SteamwarUser.get(filter.getOwner());
-            SWItem item = SWItem.getPlayerSkull(user.getUserName());
+            SWItem item = SWItem.getPlayerSkull(tUser.getUserName());
             item.setName(Core.MESSAGE.parse("SCHEM_SELECTOR_FILTER_OWNER", player));
             item.setEnchanted(true);
             item.setLore(Collections.singletonList(Core.MESSAGE.parse("SCHEM_SELECTOR_FILTER_OWNER_SEARCH", player, tUser.getUserName())));