Dashboard Alert Extractor: Create service for dashboard extractor and remove bus (#45518)

* Create DashAlertService service

* Remove no used dashboard service from plugin's manager that generates dependency cycle in Enterprise

* Remove bus for dashboard permissions

* Remove bus from dashboard extractor service

* Add missing argument

* Fix wire

* Fix lint

* More goimports

* Use datasource service instead sql calls

* Fix integration test

pkg/plugins/manager/dashboards_test.go

@@ -11,9 +11,6 @@ import (
 	"github.com/grafana/grafana/pkg/plugins/backendplugin/provider"
 	"github.com/grafana/grafana/pkg/plugins/manager/loader"
 	"github.com/grafana/grafana/pkg/plugins/manager/signature"
-	"github.com/grafana/grafana/pkg/services/dashboards/database"
-	service "github.com/grafana/grafana/pkg/services/dashboards/manager"
-	"github.com/grafana/grafana/pkg/services/sqlstore"
 	"github.com/grafana/grafana/pkg/setting"
 	"github.com/stretchr/testify/require"
 )
@@ -27,9 +24,8 @@ func TestGetPluginDashboards(t *testing.T) {
 		},
 	}
 	pmCfg := plugins.FromGrafanaCfg(cfg)
-	dashboardService := service.ProvideDashboardService(database.ProvideDashboardStore(&sqlstore.SQLStore{}))
 	pm, err := ProvideService(cfg, loader.New(pmCfg, nil,
-		signature.NewUnsignedAuthorizer(pmCfg), &provider.Service{}), dashboardService)
+		signature.NewUnsignedAuthorizer(pmCfg), &provider.Service{}))
 	require.NoError(t, err)
 
 	bus.AddHandler("test", func(ctx context.Context, query *models.GetDashboardQuery) error {