Fix tail rows in portrait generation

internal/topdata/convert.go

@@ -876,7 +876,7 @@ func write2DAFile(data parsed2DA, path string) error {
 	if err := os.MkdirAll(filepath.Dir(path), 0o755); err != nil && filepath.Dir(path) != "." {
 		return err
 	}
-	return write2DA(table, path, false)
+	return write2DA(table, path, false, -1)
 }
 
 func cloneStringMap(in map[string]string) map[string]string {