Azalea leaves and flowering azalea leaves occasionally drop themselves instead of azalea

Summary:
When azalea leaves and flowering azalea leaves are broken without Silk Touch, they occasionally drop themselves instead of azalea and flowering azalea.

Steps to Reproduce:

1. Place down a long line of azalea leaves
2. Break the leaves with your hands

Observed Results:
The azalea leaves occasionally drop themselves.

Expected Results:
Azalea should occasionally drop.

Video:
Minecraft 2021-03-21 10-45-25.mp4