Restore orphan POP3 moves

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

@@ -2961,17 +2961,11 @@ class Core {
                                     msgid + "=" + msgIdTuple.containsKey(msgid) + "/" +
                                     uidl + "=" + uidlTuple.containsKey(uidl));
 
-                            if (tuple.ui_hide) {
-                                boolean found = false;
-                                List<EntityMessage> threaded = db.message().getMessagesByThread(account.id, tuple.thread, null, null);
-                                for (EntityMessage m : threaded)
-                                    if (!m.folder.equals(folder.id) && m.received > 1654034400 /* 2022-06-01 */) {
-                                        found = true;
-                                        break;
-                                    }
-                                if (!found)
-                                    db.message().setMessageUiHide(tuple.id, false);
-                            }
+                            // Restore orphan POP3 moves
+                            if (tuple.ui_hide &&
+                                    tuple.ui_busy != null &&
+                                    tuple.ui_busy < new Date().getTime())
+                                db.message().setMessageUiHide(tuple.id, false);
 
                             if (download_eml)
                                 try {

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

@@ -638,7 +638,7 @@ public interface DaoMessage {
             " AND NOT uid IS NULL")
     List<Long> getBusyUids(long folder, long time);
 
-    @Query("SELECT id, uidl, msgid, thread, ui_hide FROM message" +
+    @Query("SELECT id, uidl, msgid, thread, ui_hide, ui_busy FROM message" +
             " WHERE folder = :folder")
     List<TupleUidl> getUidls(long folder);
 

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

@@ -25,4 +25,5 @@ public class TupleUidl {
     String msgid;
     String thread;
     boolean ui_hide;
+    Long ui_busy;
 }