Summary:

Using bone meal on big dripleaf and small dripleaf while sneaking does not give green particles. It also does not match other blocks and java version.

Steps to reproduce:

1. Place small dripleaf and big dripleaf.
2. Take bone meal.
3. Hold the shift key.
4. Use bone meal on the dripleaf.

Observed results:

Dripleaf will grow from bone meal, but there will be no particles.

Expected results:

When using bone meal while sneaking, particles appear.

Video:

Minecraft 2021-03-23 17-06-53.mp4