I have the same problem with a curved wall except where the doors are located. I have 2 doors leading into bathroom. A sliding door and a regular door. I mounted the towel holder on the bathroom side of the regular door. TP holder a different story. So far we are storing the TP right inside a cabinet for immediate use.
We have an 8329ss 2015. Our problem was solved when they put a towel ring right over the toilet. I didn't think that was a super fix but there's a place to put a towel. Our tp holder was not installed. I put a cord through the roll and over the knob to open the linen closet. Not pretty but it works. Those bathrooms are quite small.