Importance for messages with uid only

app/src/main/java/eu/faircode/email/AdapterMessage.java

@@ -2138,7 +2138,7 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
                     ibTranslate.setVisibility(tools && !outbox && button_translate && DeepL.isAvailable(context) && message.content ? View.VISIBLE : View.GONE);
                     ibForceLight.setVisibility(tools && full && dark && button_force_light && message.content ? View.VISIBLE : View.GONE);
                     ibForceLight.setImageLevel(force_light ? 1 : 0);
-                    ibImportance.setVisibility(tools && button_importance && !outbox ? View.VISIBLE : View.GONE);
+                    ibImportance.setVisibility(tools && button_importance && !outbox && seen ? View.VISIBLE : View.GONE);
                     ibHide.setVisibility(tools && button_hide && !outbox ? View.VISIBLE : View.GONE);
                     ibSeen.setVisibility(tools && button_seen && !outbox && seen ? View.VISIBLE : View.GONE);
                     ibAnswer.setVisibility(!tools || outbox || (!expand_all && expand_one) || !threading || swipe_reply ? View.GONE : View.VISIBLE);