feat(storage): read only transactions for queries (#6415)

* fix: tests

* bastle wie en grosse

* fix(database): scan as callback

* fix tests

* fix merge failures

* remove as of system time

* refactor: remove unused test

* refacotr: remove unused lines

cmd/setup/03.go

@@ -2,7 +2,6 @@ package setup
 
 import (
 	"context"
-	"database/sql"
 	"fmt"
 	"os"
 	"strings"
@@ -14,6 +13,7 @@ import (
 	"github.com/zitadel/zitadel/internal/config/systemdefaults"
 	"github.com/zitadel/zitadel/internal/crypto"
 	crypto_db "github.com/zitadel/zitadel/internal/crypto/database"
+	"github.com/zitadel/zitadel/internal/database"
 	"github.com/zitadel/zitadel/internal/domain"
 	"github.com/zitadel/zitadel/internal/eventstore"
 )
@@ -30,7 +30,7 @@ type FirstInstance struct {
 	smtpEncryptionKey *crypto.KeyConfig
 	oidcEncryptionKey *crypto.KeyConfig
 	masterKey         string
-	db                *sql.DB
+	db                *database.DB
 	es                *eventstore.Eventstore
 	defaults          systemdefaults.SystemDefaults
 	zitadelRoles      []authz.RoleMapping

cmd/setup/setup.go

@@ -77,7 +77,7 @@ func Setup(config *Config, steps *Steps, masterKey string) {
 	steps.FirstInstance.smtpEncryptionKey = config.EncryptionKeys.SMTP
 	steps.FirstInstance.oidcEncryptionKey = config.EncryptionKeys.OIDC
 	steps.FirstInstance.masterKey = masterKey
-	steps.FirstInstance.db = dbClient.DB
+	steps.FirstInstance.db = dbClient
 	steps.FirstInstance.es = eventstoreClient
 	steps.FirstInstance.defaults = config.SystemDefaults
 	steps.FirstInstance.zitadelRoles = config.InternalAuthZ.RolePermissionMappings