Refactor: Email verification (#84393)

* Update template names

* Add verifier that we can use to start verify process

* Use userVerifier when verifying email on update

* Add tests
---------

Co-authored-by: Ieva <ieva.vasiljeva@grafana.com>

pkg/api/http_server.go

@@ -217,6 +217,7 @@ type HTTPServer struct {
 	clientConfigProvider grafanaapiserver.DirectRestConfigProvider
 	namespacer           request.NamespaceMapper
 	anonService          anonymous.Service
+	userVerifier         user.Verifier
 }
 
 type ServerOptions struct {
@@ -259,6 +260,7 @@ func ProvideHTTPServer(opts ServerOptions, cfg *setting.Cfg, routeRegister routi
 	annotationRepo annotations.Repository, tagService tag.Service, searchv2HTTPService searchV2.SearchHTTPService, oauthTokenService oauthtoken.OAuthTokenService,
 	statsService stats.Service, authnService authn.Service, pluginsCDNService *pluginscdn.Service, promGatherer prometheus.Gatherer,
 	starApi *starApi.API, promRegister prometheus.Registerer, clientConfigProvider grafanaapiserver.DirectRestConfigProvider, anonService anonymous.Service,
+	userVerifier user.Verifier,
 ) (*HTTPServer, error) {
 	web.Env = cfg.Env
 	m := web.New()
@@ -361,6 +363,7 @@ func ProvideHTTPServer(opts ServerOptions, cfg *setting.Cfg, routeRegister routi
 		clientConfigProvider:         clientConfigProvider,
 		namespacer:                   request.GetNamespaceMapper(cfg),
 		anonService:                  anonService,
+		userVerifier:                 userVerifier,
 	}
 	if hs.Listener != nil {
 		hs.log.Debug("Using provided listener")