Fix broken Grafana cypress tests

Package Merge Request

Package Changes

Fixes some broken cypress tests by ensuring that dashboards are opened before checking them.

Package MR

https://repo1.dso.mil/platform-one/big-bang/apps/core/monitoring/-/merge_requests/168

https://repo1.dso.mil/platform-one/big-bang/apps/core/cluster-auditor/-/merge_requests/85