Unable to gather advanced metrics, ERROR "was collected before with the same name and label values"

## Describe the problem
When I install the advanced kube-state-metrics deployment, the dashboard for gathering metrics stops working. If I check do-agent pod logs, I see some errors, stating duplicated attribute values. I followed this guide for activating advanced metrics:

https://www.digitalocean.com/docs/kubernetes/how-to/monitor-advanced/

If I uninstall advanced-metrics or scale the pods to 0, dashboard starts working again.

## Steps to reproduce
It happens with kube-state-metrics:2.0.0-alpha

## Expected behavior
Be able to get advanced pod schediling metrics.

## System Information
Digital Ocean managed kubernetes 1.18.8

### do-agent information:

### do-agent-log
2020-09-27T13:03:09.553931294Z ERROR: 2020/09/27 13:03:09 /home/do-agent/cmd/do-agent/run.go:60: failed to gather metrics: 45 error(s) occurred:
2020-09-27T13:03:09.553990229Z * collected metric "kube_daemonset_status_number_available" { gauge: } was collected before with the same name and label values
2020-09-27T13:03:09.554014114Z * collected metric "kube_daemonset_status_number_available" { gauge: } was collected before with the same name and label values
2020-09-27T13:03:09.554019932Z * collected metric "kube_daemonset_status_number_available" { gauge: } was collected before with the same name and label values
2020-09-27T13:03:09.554042459Z * collected metric "kube_deployment_status_replicas_unavailable" { gauge: } was collected before with the same name and label values
2020-09-27T13:03:09.554048024Z * collected metric "kube_deployment_status_replicas_unavailable" { gauge: } was collected before with the same name and label values
2020-09-27T13:03:09.554052770Z * collected metric "kube_deployment_status_replicas_unavailable" { gauge: } was collected before with the same name and label values
2020-09-27T13:03:09.554057690Z * collected metric "kube_deployment_status_replicas_unavailable" { gauge: } was collected before with the same name and label values
2020-09-27T13:03:09.554062350Z * collected metric "kube_deployment_status_replicas_unavailable" { gauge: } was collected before with the same name and label values
2020-09-27T13:03:09.554067062Z * collected metric "kube_deployment_status_replicas_unavailable" { gauge: } was collected before with the same name and label values
2020-09-27T13:03:09.554071742Z * collected metric "kube_deployment_status_replicas_unavailable" { gauge: } was collected before with the same name and label values
2020-09-27T13:03:09.554076542Z * collected metric "kube_deployment_status_replicas_unavailable" { gauge: } was collected before with the same name and label values
2020-09-27T13:03:09.554081945Z * collected metric "kube_deployment_status_replicas_unavailable" { gauge: } was collected before with the same name and label values
2020-09-27T13:03:09.554086634Z * collected metric "kube_deployment_status_replicas_unavailable" { gauge: } was collected before with the same name and label values
2020-09-27T13:03:09.554092869Z * collected metric "kube_deployment_status_replicas_unavailable" { gauge: } was collected before with the same name and label values
2020-09-27T13:03:09.554097734Z * collected metric "kube_deployment_status_replicas_unavailable" { gauge: } was collected before with the same name and label values
2020-09-27T13:03:09.554102457Z * collected metric "kube_daemonset_status_number_unavailable" { gauge: } was collected before with the same name and label values
2020-09-27T13:03:09.554127517Z * collected metric "kube_daemonset_status_number_unavailable" { gauge: } was collected before with the same name and label values
2020-09-27T13:03:09.554133235Z * collected metric "kube_daemonset_status_number_unavailable" { gauge: } was collected before with the same name and label values
2020-09-27T13:03:09.554138043Z * collected metric "kube_deployment_status_replicas_available" { gauge: } was collected before with the same name and label values
2020-09-27T13:03:09.554148110Z * collected metric "kube_deployment_status_replicas_available" { gauge: } was collected before with the same name and label values
2020-09-27T13:03:09.554153232Z * collected metric "kube_deployment_status_replicas_available" { gauge: } was collected before with the same name and label values
2020-09-27T13:03:09.554157955Z * collected metric "kube_deployment_status_replicas_available" { gauge: } was collected before with the same name and label values
2020-09-27T13:03:09.554162715Z * collected metric "kube_deployment_status_replicas_available" { gauge: } was collected before with the same name and label values
2020-09-27T13:03:09.554167703Z * collected metric "kube_deployment_status_replicas_available" { gauge: } was collected before with the same name and label values
2020-09-27T13:03:09.554175570Z * collected metric "kube_deployment_status_replicas_available" { gauge: } was collected before with the same name and label values
2020-09-27T13:03:09.554183135Z * collected metric "kube_deployment_status_replicas_available" { gauge: } was collected before with the same name and label values
2020-09-27T13:03:09.554219858Z * collected metric "kube_deployment_status_replicas_available" { gauge: } was collected before with the same name and label values
2020-09-27T13:03:09.554241193Z * collected metric "kube_deployment_status_replicas_available" { gauge: } was collected before with the same name and label values
2020-09-27T13:03:09.554249105Z * collected metric "kube_deployment_status_replicas_available" { gauge: } was collected before with the same name and label values
2020-09-27T13:03:09.554256065Z * collected metric "kube_deployment_status_replicas_available" { gauge: } was collected before with the same name and label values
2020-09-27T13:03:09.554263653Z * collected metric "kube_daemonset_status_desired_number_scheduled" { gauge: } was collected before with the same name and label values
2020-09-27T13:03:09.554270760Z * collected metric "kube_daemonset_status_desired_number_scheduled" { gauge: } was collected before with the same name and label values
2020-09-27T13:03:09.554305026Z * collected metric "kube_daemonset_status_desired_number_scheduled" { gauge: } was collected before with the same name and label values
2020-09-27T13:03:09.554315521Z * collected metric "kube_deployment_spec_replicas" { gauge: } was collected before with the same name and label values
2020-09-27T13:03:09.554323804Z * collected metric "kube_deployment_spec_replicas" { gauge: } was collected before with the same name and label values
2020-09-27T13:03:09.554331593Z * collected metric "kube_deployment_spec_replicas" { gauge: } was collected before with the same name and label values
2020-09-27T13:03:09.554338594Z * collected metric "kube_deployment_spec_replicas" { gauge: } was collected before with the same name and label values
2020-09-27T13:03:09.554345304Z * collected metric "kube_deployment_spec_replicas" { gauge: } was collected before with the same name and label values
2020-09-27T13:03:09.554362434Z * collected metric "kube_deployment_spec_replicas" { gauge: } was collected before with the same name and label values
2020-09-27T13:03:09.554397076Z * collected metric "kube_deployment_spec_replicas" { gauge: } was collected before with the same name and label values
2020-09-27T13:03:09.554401950Z * collected metric "kube_deployment_spec_replicas" { gauge: } was collected before with the same name and label values
2020-09-27T13:03:09.554406640Z * collected metric "kube_deployment_spec_replicas" { gauge: } was collected before with the same name and label values
2020-09-27T13:03:09.554411351Z * collected metric "kube_deployment_spec_replicas" { gauge: } was collected before with the same name and label values
2020-09-27T13:03:09.554417625Z * collected metric "kube_deployment_spec_replicas" { gauge: } was collected before with the same name and label values
2020-09-27T13:03:09.554422403Z * collected metric "kube_deployment_spec_replicas" { gauge: } was collected before with the same name and label values