Carpets within ancient cities can sometimes generate floating

The Bug:

Carpets within ancient cities can sometimes generate floating.

Here is an example:

Seed: -3858014195990910859
Coordinates: /execute in minecraft:overworld run tp @s -1121.53 -50.00 1228.88 9.21 -80.04

Steps to Reproduce:

1. Generate a world with the seed provided above and teleport to the given coordinates.
2. Look closely at the carpet.

Observed Behavior:

Carpets can sometimes generate floating.

Expected Behavior:

Carpets would not be able to generate floating.