chore: remove sqlstore & mockstore dependencies from (most) packages (#57087)

* chore: add alias for InitTestDB and Session

Adds an alias for the sqlstore InitTestDB and Session, and updates tests using these to reduce dependencies on the sqlstore.Store.

* next pass of removing sqlstore imports
* last little bit
* remove mockstore where possible

pkg/middleware/testing.go

@@ -6,6 +6,10 @@ import (
 	"net/http/httptest"
 	"testing"
 
+	"github.com/stretchr/testify/require"
+
+	"github.com/grafana/grafana/pkg/infra/db"
+	"github.com/grafana/grafana/pkg/infra/db/dbtest"
 	"github.com/grafana/grafana/pkg/infra/remotecache"
 	"github.com/grafana/grafana/pkg/models"
 	"github.com/grafana/grafana/pkg/services/apikey/apikeytest"
@@ -13,12 +17,9 @@ import (
 	"github.com/grafana/grafana/pkg/services/contexthandler"
 	"github.com/grafana/grafana/pkg/services/login/loginservice"
 	"github.com/grafana/grafana/pkg/services/org/orgtest"
-	"github.com/grafana/grafana/pkg/services/sqlstore"
-	"github.com/grafana/grafana/pkg/services/sqlstore/mockstore"
 	"github.com/grafana/grafana/pkg/services/user/usertest"
 	"github.com/grafana/grafana/pkg/setting"
 	"github.com/grafana/grafana/pkg/web"
-	"github.com/stretchr/testify/require"
 )
 
 type scenarioContext struct {
@@ -38,8 +39,8 @@ type scenarioContext struct {
 	jwtAuthService       *models.FakeJWTService
 	remoteCacheService   *remotecache.RemoteCache
 	cfg                  *setting.Cfg
-	sqlStore             sqlstore.Store
-	mockSQLStore         *mockstore.SQLStoreMock
+	sqlStore             db.DB
+	mockSQLStore         *dbtest.FakeDB
 	contextHandler       *contexthandler.ContextHandler
 	loginService         *loginservice.LoginServiceMock
 	apiKeyService        *apikeytest.Service