Unified inboxes of synchronizing accounts only

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

@@ -35,15 +35,17 @@ public interface DaoMessage {
     // all bare columns in the result set take values from the input row which also contains the minimum or maximum."
     // https://www.sqlite.org/lang_select.html
 
-    @Query("SELECT message.*, account.name AS accountName, folder.name as folderName, folder.type as folderType" +
+    @Query("SELECT message.*, maccount.name AS accountName, folder.name as folderName, folder.type as folderType" +
             ", COUNT(message.id) as count" +
             ", SUM(CASE WHEN message.ui_seen THEN 0 ELSE 1 END) as unseen" +
             ", (SELECT COUNT(a.id) FROM attachment a WHERE a.message = message.id) AS attachments" +
             ", MAX(CASE WHEN folder.type = '" + EntityFolder.INBOX + "' THEN message.id ELSE 0 END) as dummy" +
             " FROM message" +
-            " LEFT JOIN account ON account.id = message.account" +
+            " LEFT JOIN account maccount ON maccount.id = message.account" +
             " JOIN folder ON folder.id = message.folder" +
-            " WHERE (NOT message.ui_hide OR :debug)" +
+            " JOIN account ON account.id = folder.account" +
+            " WHERE account.`synchronize`" +
+            " AND (NOT message.ui_hide OR :debug)" +
             " GROUP BY CASE WHEN message.thread IS NULL THEN message.id ELSE message.thread END" +
             " HAVING SUM(CASE WHEN folder.type = '" + EntityFolder.INBOX + "' THEN 1 ELSE 0 END) > 0" +
             " ORDER BY message.received DESC")