Trapdoors placed on villages generate incorrectly

Summary
Trapdoors in villages are placed incorrectly. This might have been caused by the recent change in the structure block orientation.

Step to Reproduce
1. Find a village, preferably that generates with trapdoors such as the plains or spruce villages.
2. Check every building that generates with trapdoors.

Expected Result
The trapdoors are generated and placed correctly.

Observed Result
The trapdoors are generated incorrectly, causing a mess.

Original Description
The Trapdoor is floating. World seed is 286844226