Your passport is fine. That question is for people who aren't a national of the country they're applying in (since the Non-OA can only be obtained in your home country or country of legal residence). However the online application doesn't have the option to not answer it, so just put anything.
There's a place in Chiang mai that will do them right now, think it's about 60k for a year though. If you can wait a couple months, everything will be back to normal.