Extract search users functions into a service (#39002)

* Extract search users to a new service

* Fix wire provider

* Fix common_test and remove RouteRegister

* Remove old endpoints

* Fix test

* Add indexes to dashboards and orgs tables

* Fix lint

pkg/server/wire.go

@@ -5,7 +5,6 @@ package server
 
 import (
 	"github.com/google/wire"
-
 	sdkhttpclient "github.com/grafana/grafana-plugin-sdk-go/backend/httpclient"
 	"github.com/grafana/grafana/pkg/api"
 	"github.com/grafana/grafana/pkg/api/routing"

pkg/server/wireexts_oss.go

@@ -18,6 +18,7 @@ import (
 	"github.com/grafana/grafana/pkg/services/login"
 	"github.com/grafana/grafana/pkg/services/login/authinfoservice"
 	"github.com/grafana/grafana/pkg/services/provisioning"
+	"github.com/grafana/grafana/pkg/services/searchusers"
 	"github.com/grafana/grafana/pkg/services/sqlstore/migrations"
 	"github.com/grafana/grafana/pkg/services/validations"
 	"github.com/grafana/grafana/pkg/setting"
@@ -48,6 +49,8 @@ var wireExtsBasicSet = wire.NewSet(
 	wire.Bind(new(login.UserProtectionService), new(*authinfoservice.OSSUserProtectionImpl)),
 	ossencryption.ProvideService,
 	wire.Bind(new(encryption.Service), new(*ossencryption.Service)),
+	searchusers.ProvideUsersService,
+	wire.Bind(new(searchusers.Service), new(*searchusers.OSSService)),
 )
 
 var wireExtsSet = wire.NewSet(