Chore: Propagate context for data source provisioning (#40235)

* context all the things

* apply feedback

* rollback some alerting changes

* rollback some alerting changes #2

* more rollbacks

* more rollbacks #2

* more rollbacks #3

* more rollbacks #4

* fix integration test

* add missing context

* add missing and remove incorrect dispatch

pkg/services/alerting/alerting_usage.go

@@ -1,6 +1,7 @@
 package alerting
 
 import (
+	"context"
 	"encoding/json"
 
 	"github.com/grafana/grafana/pkg/models"
@@ -62,7 +63,7 @@ func (e *AlertEngine) mapRulesToUsageStats(rules []*models.Alert) (DatasourceAle
 	result := map[string]int{}
 	for k, v := range typeCount {
 		query := &models.GetDataSourceQuery{Id: k}
-		err := e.Bus.Dispatch(query)
+		err := e.Bus.DispatchCtx(context.TODO(), query)
 		if err != nil {
 			return map[string]int{}, nil
 		}