Floating grass can be generated over lakes

 Summary:

In the world, it is very rare that flying grass can be generated over lakes.
Below are 3 seeds with coordinates.
It naturally breaks down over time.

-392114072
-319 67 1341

94921521
-148 68 -43

-1615679854
-3 71 -80

Steps to reproduce:

1. Create a world with the specified seed.
2. Move to the specified coordinates.

Observed results:

You should see the generated grass flying over the lake.

Expected results:

You shouldn't see flying grass that is generated by the minecraft world.

Image: