Fix 0 and null because it is expected behaviour and not used!

Signed-off-by: yoyosource <yoyosource@nidido.de>

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

@@ -50,7 +50,7 @@ public class ClipboardListener implements Listener {
         SchematicNode schematic = SchematicNode.getSchematicNode(SteamwarUser.get(e.getPlayer().getUniqueId()).getId(), CLIPBOARD_SCHEMNAME, (Integer) null);
         boolean newSchem = false;
         if (schematic == null) {
-            schematic = SchematicNode.createSchematic(SteamwarUser.get(e.getPlayer().getUniqueId()).getId(), CLIPBOARD_SCHEMNAME, 0);
+            schematic = SchematicNode.createSchematic(SteamwarUser.get(e.getPlayer().getUniqueId()).getId(), CLIPBOARD_SCHEMNAME, (Integer) null);
             newSchem = true;
         }