Auth: Refactor auth package (#58920)

* Auth: move interface to its own file

* Auth: move to test package

* Auth: move quota consts to auth file

* Auth: move service to impl package

* Auth: move interfaces and related models to auth package

* Auth: Create sub package and type alias to avoid circular dependency

pkg/server/wireexts_oss.go

@@ -17,6 +17,7 @@ import (
 	"github.com/grafana/grafana/pkg/services/accesscontrol/acimpl"
 	"github.com/grafana/grafana/pkg/services/accesscontrol/ossaccesscontrol"
 	"github.com/grafana/grafana/pkg/services/auth"
+	"github.com/grafana/grafana/pkg/services/auth/authimpl"
 	"github.com/grafana/grafana/pkg/services/datasources"
 	"github.com/grafana/grafana/pkg/services/datasources/permissions"
 	datasourceservice "github.com/grafana/grafana/pkg/services/datasources/service"
@@ -39,9 +40,9 @@ import (
 )
 
 var wireExtsBasicSet = wire.NewSet(
-	auth.ProvideUserAuthTokenService,
-	wire.Bind(new(models.UserTokenService), new(*auth.UserAuthTokenService)),
-	wire.Bind(new(models.UserTokenBackgroundService), new(*auth.UserAuthTokenService)),
+	authimpl.ProvideUserAuthTokenService,
+	wire.Bind(new(auth.UserTokenService), new(*authimpl.UserAuthTokenService)),
+	wire.Bind(new(auth.UserTokenBackgroundService), new(*authimpl.UserAuthTokenService)),
 	licensing.ProvideService,
 	wire.Bind(new(models.Licensing), new(*licensing.OSSLicensingService)),
 	setting.ProvideProvider,