Chore: Add Usage stats providers registry (#48357)

* add usage stats providers

* migrate thumbnails service to `registry.ProvidesUsageStats`

* snake -> camel

* lint fix

* migrate accesscontrol to `registry.ProvidesUsageStats`

* add accesscontrol to usage stats providers registry

* fix test

* added a note about errors

pkg/server/server.go

@@ -12,6 +12,7 @@ import (
 	"strconv"
 	"sync"
 
+	"github.com/grafana/grafana/pkg/infra/usagestats/statscollector"
 	"github.com/grafana/grafana/pkg/services/accesscontrol"
 
 	"github.com/grafana/grafana/pkg/api"
@@ -41,7 +42,9 @@ type Options struct {
 // New returns a new instance of Server.
 func New(opts Options, cfg *setting.Cfg, httpServer *api.HTTPServer, roleRegistry accesscontrol.RoleRegistry,
 	provisioningService provisioning.ProvisioningService, backgroundServiceProvider registry.BackgroundServiceRegistry,
+	usageStatsProvidersRegistry registry.UsageStatsProvidersRegistry, statsCollectorService *statscollector.Service,
 ) (*Server, error) {
+	statsCollectorService.RegisterProviders(usageStatsProvidersRegistry.GetServices())
 	s, err := newServer(opts, cfg, httpServer, roleRegistry, provisioningService, backgroundServiceProvider)
 	if err != nil {
 		return nil, err