Fixed seen

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

@@ -502,7 +502,7 @@ public class ActivityView extends ActivityBase implements FragmentManager.OnBack
                                 for (EntityMessage tmessage : db.message().getMessageByThread(message.account, message.thread)) {
                                     db.message().setMessageUiSeen(tmessage.id, true);
 
-                                    EntityOperation.queue(db, tmessage, EntityOperation.SEEN, tmessage.ui_seen);
+                                    EntityOperation.queue(db, tmessage, EntityOperation.SEEN, true);
                                 }
 
                             db.setTransactionSuccessful();

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

@@ -413,7 +413,7 @@ public class FragmentMessage extends FragmentEx {
                     for (EntityMessage tmessage : db.message().getMessageByThread(message.account, message.thread)) {
                         db.message().setMessageUiSeen(tmessage.id, !message.ui_seen);
 
-                        EntityOperation.queue(db, tmessage, EntityOperation.SEEN, tmessage.ui_seen);
+                        EntityOperation.queue(db, tmessage, EntityOperation.SEEN, !tmessage.ui_seen);
                     }
 
                     db.setTransactionSuccessful();

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

@@ -1286,7 +1286,7 @@ public class ServiceSynchronize extends LifecycleService {
                 }
 
                 if (message != null) {
-                    if (message.seen != seen) {
+                    if (message.seen != seen || message.seen != message.ui_seen) {
                         message.seen = seen;
                         message.ui_seen = seen;
                         db.message().updateMessage(message);