fix: apply pre-conditions first on object metadata (#12545)

This change in error flow complies with AWS S3 behavior
for applications depending on specific error conditions.

fixes #12543

cmd/bucket-replication.go

@@ -1122,7 +1122,7 @@ func proxyGetToReplicationTarget(ctx context.Context, bucket, object string, rs
 	}
 	closeReader := func() { obj.Close() }
 
-	reader, err := fn(obj, h, opts.CheckPrecondFn, closeReader)
+	reader, err := fn(obj, h, closeReader)
 	if err != nil {
 		return nil, false
 	}