Fixed message count

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

@@ -99,7 +99,7 @@ public interface DaoMessage {
             ", account.name AS accountName, account.color AS accountColor" +
             ", folder.name AS folderName, folder.display AS folderDisplay, folder.type AS folderType" +
             ", 0 AS threaded" +
-            ", 1 AS count" +
+            ", (SELECT COUNT(m1.id) FROM message m1 WHERE m1.account = message.account AND m1.thread = message.thread AND NOT m1.ui_hide) AS count" +
             ", CASE WHEN message.ui_seen THEN 0 ELSE 1 END AS unseen" +
             ", CASE WHEN message.ui_flagged THEN 0 ELSE 1 END AS unflagged" +
             ", (SELECT COUNT(a.id) FROM attachment a WHERE a.message = message.id) AS attachments" +