AKS workload cluster HelmChartProxy ArgoCD app error

### This issue is for a: (mark with an `x`)
```
- [x] bug report -> please search issues before submitting
- [ ] feature request
- [ ] documentation issue or request
- [ ] regression (a behavior that used to work and stopped in a new release)
```

### Minimal steps to reproduce
> Follow the readme - new team setup documents.

### Any log messages given by the failure
>

```
$kubectl describe helmchartproxy argocd-app

Name: argocd-app
Namespace: default
Labels:
Annotations:
API Version: addons.cluster.x-k8s.io/v1alpha1
Kind: HelmChartProxy
Metadata:
Creation Timestamp: 2024-07-25T23:06:19Z
Finalizers:
helmchartproxy.addons.cluster.x-k8s.io
Generation: 1
Resource Version: 38792
UID: 59301810-87dd-45cd-9183-1a221f75a881
Spec:
Chart Name: argocd-apps
Cluster Selector:
Namespace: default
Options:
Enable Client Cache: false
Install:
Create Namespace: true
Timeout: 5m0s
Upgrade:
Max History: 10
Wait: true
Wait For Jobs: true
Repo URL: https://argoproj.github.io/argo-helm
Values Template: applications:
- name: apps-infra
namespace: argocd
finalizers:
- resources-finalizer.argocd.argoproj.io
project: default
sources:
- repoURL: https://github.com/Azure-Samples/aks-platform-engineering.git
path: aks-platform-engineering/tree/main/gitops/apps/infra
targetRevision: HEAD
destination:
server: https://kubernetes.default.svc
namespace: default
syncPolicy:
automated:
prune: false
selfHeal: false
syncOptions:
- CreateNamespace=true
revisionHistoryLimit: null
ignoreDifferences:
- group: apps
kind: Deployment
jsonPointers:
- /spec/replicas
info:
- name: url
value: https://argoproj.github.io/
Status:
Conditions:
Last Transition Time: 2024-07-25T23:06:22Z
Message: unable to build kubernetes objects from release manifest: unable to decode "": json: cannot unmarshal number into Go struct field ObjectMeta.metadata.name of type string
Reason: HelmInstallOrUpgradeFailed @ HelmReleaseProxy/argocd-apps-aks0-45xk5
Severity: Error
Status: False
Type: Ready
Last Transition Time: 2024-07-25T23:06:22Z
Message: unable to build kubernetes objects from release manifest: unable to decode "": json: cannot unmarshal number into Go struct field ObjectMeta.metadata.name of type string
Reason: HelmInstallOrUpgradeFailed @ HelmReleaseProxy/argocd-apps-aks0-45xk5
Severity: Error
Status: False
Type: HelmReleaseProxiesReady
Last Transition Time: 2024-07-25T23:06:20Z
Status: True
Type: HelmReleaseProxySpecsUpToDate
Matching Clusters:
API Version: cluster.x-k8s.io/v1beta1
Kind: Cluster
Name: aks0
Namespace: default
Observed Generation: 1
Events:
```

### Expected/desired behavior
> The ArgoCD application installed automatically properly connects to the repository URL for the app without errors.