fix(helm): Fix manifest validation

Manifest validation is done by the builder, but it requires that the schema is set before the Stream function is called. Otherwise the StreamVisitor is created without a schema and no validation is done.
Signed-off-by: Morten Torkildsen <mortent@google.com>

pkg/kube/client.go

@@ -142,8 +142,8 @@ func (c *Client) BuildUnstructured(namespace string, reader io.Reader) (Result,
 		ContinueOnError().
 		NamespaceParam(namespace).
 		DefaultNamespace().
-		Stream(reader, "").
 		Schema(c.validator()).
+		Stream(reader, "").
 		Flatten().
 		Do().Infos()
 	return result, scrubValidationError(err)