make sure to set Versioned field to ensure rename2 is not called (#18141)

without this the rename2() can rename the previous dataDir
causing issues for different versions of the object, only
latest version is preserved due to this bug.

Added healing code to ensure recovery of such content.

cmd/erasure-object.go

@@ -496,13 +496,16 @@ func (er erasureObjects) deleteIfDangling(ctx context.Context, bucket, object st
 	m, ok := isObjectDangling(metaArr, errs, dataErrs)
 	if ok {
 		tags := make(map[string]interface{}, 4)
-		tags["size"] = m.Size
 		tags["set"] = er.setIndex
 		tags["pool"] = er.poolIndex
 		tags["merrs"] = errors.Join(errs...)
 		tags["derrs"] = errors.Join(dataErrs...)
-		tags["mtime"] = m.ModTime.Format(http.TimeFormat)
-		tags["parity"] = m.Erasure.ParityBlocks
+		if m.IsValid() {
+			tags["size"] = m.Size
+			tags["mtime"] = m.ModTime.Format(http.TimeFormat)
+			tags["parity"] = m.Erasure.ParityBlocks
+		}
+
 		if cok {
 			tags["caller"] = fmt.Sprintf("%s:%d", file, line)
 		}