appview: state: start posthog notifier only on dev mode

Signed-off-by: Seongmin Lee <[e-mail]>

appview/state/state.go

···
 	}
 	spindlestream.Start(ctx)
 
-	notifier := notify.NewMergedNotifier(
-		posthog_service.NewPosthogNotifier(posthog),
-	)
+	var notifiers []notify.Notifier
+	if !config.Core.Dev {
+		notifiers = append(notifiers, posthog_service.NewPosthogNotifier(posthog))
+	}
+	notifier := notify.NewMergedNotifier(notifiers...)
 
 	state := &State{
 		d,