Most forest biomes in worlds created after 1.21.60 never generates lilies of the valley

In worlds created after 1.21.60, the lilies of the valley generation bug never generates in forest, birch forest, old growth birch forest, or dark forest biomes, with the exception of flower forest biomes. Bone meal continues to be used on the grass blocks in the following forest biomes to generate lilies of the valley.

Steps to reproduce:

1. Launch Minecraft Bedrock Edition or Preview on certain platforms.

2. Click the play button from the main menu.

3. Click the create button to create a new world.

4. Click the creative mode button.

5. Go to the seed generator with the seed template button and then, use my seed below to create the world. -7017527176383540169

6. Check whether, aside from flower forest biomes, the lily of the valley never generates in forest, birch forest, old growth birch forest, or dark forest biomes.

• Reference to this Bug Ticket Report: MCPE-191154

Observed result:

Lilies of the valley never generates in forest, birch forest, old growth birch forest, or dark forest biomes.

Expected result:

Lilies of the valley should generate in forest, birch forest, old growth birch forest, or dark forest biomes.