Door top and bottom textures flip incorrectly & illogically when opened and closed

Related to MC-67308. (parity issue)

The top and the bottom texture of the doors are flipped incorrectly and illogically when opened and closed.

How to Reproduce
1. Place down all doors.
2. Open and close each of them.
3. Pay attention to the top and bottom texture.

Observed Result
The top and bottom textures are flipped incorrectly and illogically.

Expected Result
The top and bottom textures are flipped correctly.