Merge branch 'dbodicherla-add-base-metrics-dashboard-url' into 'master'

Add base url path for metrics dashboards

See merge request gitlab-org/gitlab!33553

app/helpers/environments_helper.rb

@@ -68,6 +68,7 @@ module EnvironmentsHelper
     return {} unless environment
 
     {
+      'metrics-dashboard-base-path' => environment_metrics_path(environment),
       'current-environment-name'    => environment.name,
       'has-metrics'                 => "#{environment.has_metrics?}",
       'prometheus-status'           => "#{environment.prometheus_status}",

spec/helpers/environments_helper_spec.rb

@@ -20,6 +20,7 @@ describe EnvironmentsHelper do
       expect(metrics_data).to include(
         'settings-path' => edit_project_service_path(project, 'prometheus'),
         'clusters-path' => project_clusters_path(project),
+        'metrics-dashboard-base-path' => environment_metrics_path(environment),
         'current-environment-name' => environment.name,
         'documentation-path' => help_page_path('administration/monitoring/prometheus/index.md'),
         'empty-getting-started-svg-path' => match_asset_path('/assets/illustrations/monitoring/getting_started.svg'),