SA name hardcoded in seldon-leader-election-role rbac

[samldd]

The Seldon helm chart provide you with the option of defining your own service account to attach to the Seldon resources. If RBAC is enabled it also attaches different roles necessary for Seldon components to this SA. Compared to the other roleBindings in the helm chart, the one for seldon-leader-election-role has the service account hard coded:

roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: Role
  name: seldon-leader-election-role
subjects:
- kind: ServiceAccount
  name: seldon-manager
  namespace: '{{ include "seldon.namespace" . }}'

The name should be: '{{ .Values.serviceAccount.name}}'