* {di} binding now always returns the duplicate indenity index 1..n and will never unwind

source/net/filebot/format/MediaBindingBean.java

@@ -788,8 +788,7 @@ public class MediaBindingBean {
 				duplicates.add(it);
 			}
 		}
-		int di = identityIndexOf(duplicates, getInfoObject());
-		return di == 0 ? null : di;
+		return 1 + identityIndexOf(duplicates, getInfoObject());
 	}
 
 	@Define("self")