The goat can drop goat horn, however, they can't if they hit mangrove log, despite it being an overworld log that the goat can remove their horn off.

How to Reproduce

1. Create a new world with Vanilla Experiments on
2. Build a small mangrove log wall
3. Spawn a goat in front of you ahead of the wall
4. Type this commands to change it to a screaming goat
   /event entity @e[type=goat] minecraft:born_screamer
5. Switch to survival mode
6. Try to get the goat to hit the log with yourself

Observed Result
The goat doesn't drop their horn after hitting the mangrove log

Expected Result
The goat should drop their horn.