The OP linked "sweaty cycling clothes" with two issues: a) "stinking up the office" and b) getting them dry for the return trip.

Stink should NOT be a problem if you are starting with clean clothes and a clean body. A little clean sweat, while maybe gross to your office mates, is not going to create a stink. If you start all nice and hygienic, you should be able to hang your stuff up to dry without worrying about the stink. And being able to hang stuff up to dry solves problem b).

If stink is a problem on the hanger, it's probably a problem before you get on your bike.

In summer months when you can't avoid sweating, you should be OK to just hang and dry those wet but not-necessarily stinky clothes. I think carrying a second set of clothes and hermetically sealing your sweat-damp but otherwise clean clothing is overkill. You only need to find a spot where your damp stuff isn't going to freak someone out visually. I've worked in a couple of different configurations from office to cube land and always managed to find a little niche out of people's way but with some air circulation. That's all you need.

I have bigger problems in winter and rainy days. You can and should dress to avoid overheating, so sweat / stink should be less of an issue. But you just have a lot more kit (in most locales), so more stuff to hang.