Adding guest accounts count telemetry (#14257)

* Adding guest accounts count telemetry

* Adding missed methods to the opentracing an timer layer

app/diagnostics.go

@@ -123,6 +123,7 @@ func pluginVersion(pluginsAvailable []*model.BundleInfo, pluginId string) string
 
 func (a *App) trackActivity() {
 	var userCount int64
+	var guestAccountsCount int64
 	var botAccountsCount int64
 	var inactiveUserCount int64
 	var publicChannelCount int64
@@ -155,6 +156,10 @@ func (a *App) trackActivity() {
 		userCount = count
 	}
 
+	if count, err := a.Srv().Store.User().AnalyticsGetGuestCount(); err == nil {
+		guestAccountsCount = count
+	}
+
 	if count, err := a.Srv().Store.User().Count(model.UserCountOptions{IncludeBotAccounts: true, ExcludeRegularUsers: true}); err == nil {
 		botAccountsCount = count
 	}
@@ -225,6 +230,7 @@ func (a *App) trackActivity() {
 	a.SendDiagnostic(TRACK_ACTIVITY, map[string]interface{}{
 		"registered_users":             userCount,
 		"bot_accounts":                 botAccountsCount,
+		"guest_accounts":               guestAccountsCount,
 		"active_users_daily":           activeUsersDailyCount,
 		"active_users_monthly":         activeUsersMonthlyCount,
 		"registered_deactivated_users": inactiveUserCount,