fix: don't block port 8001 unless it's being forwarded

Description

Restrict blocking port 8001 to when port_forward is actually used

Supporting information

Testing instructions

Steps to test the changes:

1. ./kubectl --namespace monitoring port-forward --address 0.0.0.0 deployments/opensearch-dashboard-opensearch-dashboards 8001:5601
2. ./kubectl get pods

Checklist

If any of the items below is not applicable, do not remove them, but put a check in it.

• All providers include the new feature/change
• All affected providers can provision new clusters
• Unit tests are added/updated
• Documentation is added/updated
• The TOOLS_CONTAINER_IMAGE_VERSION in ci_vars.yml is updated
• The grove-template repository is updated

Additional context

Allows for running multiple kubectl instances and one monitoring at the same time.