Villages structures can generate over air blocks

The Bug:

Villages structures can generate over air blocks.

Here is an example:

Seed: 2686092101085001154
Coordinates: /execute in minecraft:overworld run tp @s 117.30 68.00 52.30 -35.51 -9.47

Steps to Reproduce:

1. Generate a world with the seed provided above and teleport to the given coordinates.
2. Look closely at the generation of the said village structure.
3. Take note as to whether or not villages structures can generate over air blocks.

Observed Behavior:

Villages structures can generate over air blocks.

Expected Behavior:

Villages structures would not be able to generate over air blocks.