Chore: Remove bus from the alerting service (#44496)

* propagate notificationservice down to the notifiers

* replace dispatch in result handler

* remove dispatch from the rule reader

* remove dispatch from eval context

* remove dispatch from alerting usage

* remove dispatch from alerting usage

* remove dispatch from notifier

* attempt to fix tests in alerting

* hello linter, my old friend; also disable some tests for now

* use mocks to fix the tests

* resolving wire providers

* make linter happy

* remove yet another bus.dispatch

* fix tests using store mock

pkg/services/alerting/notifiers/line.go

@@ -5,10 +5,10 @@ import (
 	"fmt"
 	"net/url"
 
-	"github.com/grafana/grafana/pkg/bus"
 	"github.com/grafana/grafana/pkg/infra/log"
 	"github.com/grafana/grafana/pkg/models"
 	"github.com/grafana/grafana/pkg/services/alerting"
+	"github.com/grafana/grafana/pkg/services/notifications"
 	"github.com/grafana/grafana/pkg/setting"
 )
 
@@ -37,14 +37,14 @@ const (
 )
 
 // NewLINENotifier is the constructor for the LINE notifier
-func NewLINENotifier(model *models.AlertNotification, fn alerting.GetDecryptedValueFn) (alerting.Notifier, error) {
+func NewLINENotifier(model *models.AlertNotification, fn alerting.GetDecryptedValueFn, ns notifications.Service) (alerting.Notifier, error) {
 	token := fn(context.Background(), model.SecureSettings, "token", model.Settings.Get("token").MustString(), setting.SecretKey)
 	if token == "" {
 		return nil, alerting.ValidationError{Reason: "Could not find token in settings"}
 	}
 
 	return &LineNotifier{
-		NotifierBase: NewNotifierBase(model),
+		NotifierBase: NewNotifierBase(model, ns),
 		Token:        token,
 		log:          log.New("alerting.notifier.line"),
 	}, nil
@@ -92,7 +92,7 @@ func (ln *LineNotifier) createAlert(evalContext *alerting.EvalContext) error {
 		Body: form.Encode(),
 	}
 
-	if err := bus.Dispatch(evalContext.Ctx, cmd); err != nil {
+	if err := ln.NotificationService.SendWebhookSync(evalContext.Ctx, cmd); err != nil {
 		ln.log.Error("Failed to send notification to LINE", "error", err, "body", body)
 		return err
 	}