Added solution for draft orphans

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

@@ -984,6 +984,14 @@ public interface DaoMessage {
     )
     int deleteOrphans(long folder, long now);
 
+    @Query("SELECT * FROM message" +
+            " WHERE folder = :folder" +
+            " AND uid IS NULL" +
+            " AND NOT EXISTS" +
+            "  (SELECT * FROM operation" +
+            "  WHERE operation.message = message.id)")
+    List<EntityMessage> getDraftOrphans(long folder);
+
     @Query("SELECT * FROM message" +
             " WHERE folder = :folder" +
             " AND uid IS NULL" +

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

@@ -795,6 +795,18 @@ public class EntityOperation {
         if (foreground && folder.sync_state == null) // Show spinner
             db.folder().setFolderSyncState(fid, "requested");
 
+        if (force && foreground && EntityFolder.DRAFTS.equals(folder.type)) {
+            EntityAccount account = db.account().getAccount(folder.account);
+            if (account.protocol == EntityAccount.TYPE_IMAP) {
+                List<EntityMessage> orphans = db.message().getDraftOrphans(folder.id);
+                if (orphans != null) {
+                    EntityLog.log(context, "Draft orphans=" + orphans.size());
+                    for (EntityMessage orphan : orphans)
+                        EntityOperation.queue(context, orphan, EntityOperation.ADD);
+                }
+            }
+        }
+
         if (foreground && EntityFolder.SENT.equals(folder.type)) {
             EntityAccount account = db.account().getAccount(folder.account);
             if (account.protocol == EntityAccount.TYPE_IMAP) {