### Motivation
The following errors occurs when running :
helm lint pulsar/
==> Linting pulsar/
[INFO] Chart.yaml: icon is recommended
[ERROR] templates/: render error in "pulsar/templates/zookeeper-metadata.yaml": template: pulsar/templates/zookeeper-metadata.yaml:49:20: executing "pulsar/templates/zookeeper-metadata.yaml" at <.Values.zookeeper_me...>: can't evaluate field resources in type interface {}
### Modifications
Change zookeeper_metadata in deployment/kubernetes/helm/pulsar/templates/zookeeper-metadata.yaml to zookeeperMetadata
### Result
helm lint pulsar/
==> Linting pulsar/
[INFO] Chart.yaml: icon is recommended
1 chart(s) linted, no failures