Chore: Add context to star and stats (#39591)

* Add context to star and stats

* Use WithTransactionalDbSession

* Add additional ctx

* Remove convey

* Fix star handler name

* Use WithDbSession, use DispatchCtx

* Remove xorm from star

pkg/services/sqlstore/dashboard_test.go

@@ -386,13 +386,13 @@ func TestDashboardDataAccess(t *testing.T) {
 
 			Convey("Given two dashboards, one is starred dashboard by user 10, other starred by user 1", func() {
 				starredDash := insertTestDashboard(t, sqlStore, "starred dash", 1, 0, false)
-				err := StarDashboard(&models.StarDashboardCommand{
+				err := sqlStore.StarDashboard(context.Background(), &models.StarDashboardCommand{
 					DashboardId: starredDash.Id,
 					UserId:      10,
 				})
 				So(err, ShouldBeNil)
 
-				err = StarDashboard(&models.StarDashboardCommand{
+				err = sqlStore.StarDashboard(context.Background(), &models.StarDashboardCommand{
 					DashboardId: savedDash.Id,
 					UserId:      1,
 				})