Don't send read receipts for errored messages

database/message.go

@@ -64,7 +64,7 @@ const (
 	`
 	getMessagesBetweenQuery = `
 		SELECT chat_jid, chat_receiver, jid, mxid, sender, timestamp, sent, type, error, broadcast_list_jid FROM message
-		WHERE chat_jid=$1 AND chat_receiver=$2 AND timestamp>$3 AND timestamp<=$4 AND sent=true ORDER BY timestamp ASC
+		WHERE chat_jid=$1 AND chat_receiver=$2 AND timestamp>$3 AND timestamp<=$4 AND sent=true AND error='' ORDER BY timestamp ASC
 	`
 )