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I am seeing an odd issue with `ConfigFile` in Go, where I have an older stack that works fine, but in a new stack, `ConfigFile` loads no data - I’ve actually made an edit to the `pulumi-kubernetes` SDK and the invocation to `kubernetes:yaml:decode` is returning an empty list of objects. Same code, same version of Pulumi, etc - if I switch to the older stack, it works, and if I switch to the new one, it doesn’t.

Code is this:

```	contourDeploy, err := yaml.NewConfigFile(ctx, "contour-deploy-file", &amp;yaml.ConfigFileArgs{
		File: "./contour.yaml",
		Transformations: []yaml.Transformation{
			// Use an NLB instead of an ELB
			func(state map[string]interface{}, opts ...pulumi.ResourceOption) {
              ...
			},
		},
	}, pulumi.Provider(eksConfig.Provider))
	if err != nil {
		return nil, err
	}

	
	  fmt.Println(contourDeploy.Resources)
	contourService := contourDeploy.GetResource("v1/Service", "envoy", "projectcontour").(*corev1.Service)
	contourServiceLB := contourService.Status.LoadBalancer().Ingress().Index(<http://pulumi.Int|pulumi.Int>(0)).Hostname().Elem()```
I’ve elided the transformation as it never gets called. I added the Println to debug, and the original issue is that it tells me that it can’t do the cast since that value is `nil` (since it doesn’t exist).

To make it weirder, if I run `pulumi up -f` one time on it, it works fine after