rename active metrics route

app/controllers/projects/prometheus/metrics_controller.rb

@@ -4,7 +4,7 @@ module Projects
       before_action :authorize_read_project!
       before_action :require_prometheus_metrics!
 
-      def active
+      def active_common
         respond_to do |format|
           format.json do
             matched_metrics = prometheus_service.matched_metrics || {}

app/views/projects/services/prometheus/_show.html.haml

@@ -28,7 +28,7 @@
           = link_to s_('PrometheusService|New metric'), new_project_prometheus_metric_path(@project), class: 'btn btn-success'
         %ul.list-unstyled.metrics-list.hidden.js-custom-metrics-list
 
-    .panel.panel-default.js-panel-monitored-metrics{ data: { "active-metrics" => "#{active_project_prometheus_metrics_path(@project, :json)}" } }
+    .panel.panel-default.js-panel-monitored-metrics{ data: { "active-metrics" => "#{active_common_project_prometheus_metrics_path(@project, :json)}" } }
       .panel-heading
         %h3.panel-title
           = s_('PrometheusService|Common metrics')

config/routes/project.rb

@@ -75,7 +75,7 @@ constraints(ProjectUrlConstrainer.new) do
       namespace :prometheus do
         resources :metrics, constraints: { id: /[^\/]+/ }, only: [:index, :new, :create, :edit, :update, :destroy] do
           post :validate_query, on: :collection
-          get :active, on: :collection
+          get :active_common, on: :collection
         end
       end