Sculk veins cannot appear underwater after a mob dies

Summary:
Sculk veins cannot appear underwater after a mob dies. However, the sculk veins can be manually placed underwater.

Steps to reproduce:

1. Place the sculk catalyst near a shallow body of water.
2. Kill a mob nearby in the water.

Observed results:
Sculk veins do not appear underwater after killing a mob, but sculk can still spawn.

Expected results:
Since sculk veins can be manually placed underwater, sculk veins should appear when killing a mob underwater.

Video:
Minecraft 2021-10-25 16-11-48.mp4