Revert "Stop returning an unused column when handling new receipts. (#13933)" (#13935)

This reverts commit 7766bd5 (#13933).

The unused column is actually used, but much further down in the function.

Author: clokep

changelog.d/13933.feature

@@ -1053,7 +1053,7 @@ def _handle_new_receipts_for_notifs_txn(self, txn: LoggingTransaction) -> bool:
         )
 
         sql = """
-            SELECT r.room_id, r.user_id, e.stream_ordering
+            SELECT r.stream_id, r.room_id, r.user_id, e.stream_ordering
             FROM receipts_linearized AS r
             INNER JOIN events AS e USING (event_id)
             WHERE ? < r.stream_id AND r.stream_id <= ? AND user_id LIKE ?
@@ -1078,7 +1078,7 @@ def _handle_new_receipts_for_notifs_txn(self, txn: LoggingTransaction) -> bool:
 
         # For each new read receipt we delete push actions from before it and
         # recalculate the summary.
-        for room_id, user_id, stream_ordering in rows:
+        for _, room_id, user_id, stream_ordering in rows:
             # Only handle our own read receipts.
             if not self.hs.is_mine_id(user_id):
                 continue