Wither roses cannot be destroyed by ravagers

In the Bedrock Edition, ravagers can break plant-like blocks, this does not apply to wither roses. mobGriefing was set to true.

Step to Reproduce
1. Place down a few wither roses on the grass.
2. Spawn a Ravager.
3. Set yourself or spawn a few villagers on the other side of the wither rose.

Expected Results
The Ravager will destroy the wither roses.

Observed Results
The Ravager doesn't destroy the wither roses and taking themselves some damage.