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/services/query/query_test.go

@@ -7,16 +7,16 @@ import (
 	"testing"
 
 	"github.com/grafana/grafana-plugin-sdk-go/backend"
-	"github.com/grafana/grafana/pkg/expr"
-	"github.com/grafana/grafana/pkg/models"
-	"github.com/grafana/grafana/pkg/setting"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 	"golang.org/x/oauth2"
 
 	"github.com/grafana/grafana/pkg/api/dtos"
 	"github.com/grafana/grafana/pkg/components/simplejson"
+	"github.com/grafana/grafana/pkg/expr"
+	"github.com/grafana/grafana/pkg/infra/db"
 	"github.com/grafana/grafana/pkg/infra/log"
+	"github.com/grafana/grafana/pkg/models"
 	"github.com/grafana/grafana/pkg/plugins"
 	acmock "github.com/grafana/grafana/pkg/services/accesscontrol/mock"
 	"github.com/grafana/grafana/pkg/services/datasources"
@@ -26,8 +26,8 @@ import (
 	"github.com/grafana/grafana/pkg/services/secrets/fakes"
 	secretskvs "github.com/grafana/grafana/pkg/services/secrets/kvstore"
 	secretsmng "github.com/grafana/grafana/pkg/services/secrets/manager"
-	"github.com/grafana/grafana/pkg/services/sqlstore"
 	"github.com/grafana/grafana/pkg/services/user"
+	"github.com/grafana/grafana/pkg/setting"
 )
 
 func TestParseMetricRequest(t *testing.T) {
@@ -362,7 +362,7 @@ func setup(t *testing.T) *testContext {
 	tc := &fakeOAuthTokenService{}
 	rv := &fakePluginRequestValidator{}
 
-	sqlStore := sqlstore.InitTestDB(t)
+	sqlStore := db.InitTestDB(t)
 	secretsService := secretsmng.SetupTestService(t, fakes.NewFakeSecretsStore())
 	ss := secretskvs.NewSQLSecretsKVStore(sqlStore, secretsService, log.New("test.logger"))
 	ssvc := secretsmng.SetupTestService(t, fakes.NewFakeSecretsStore())