Soul Sand generates break bedrock in Far Lands

Summary:

I go to the far lands and super weird happen, which soul sands is breaking bedrock

Step to reproduce:

1. Create this world with seeds 957370590
2. Go to the nether
3. /tp @p 12550821 -40 ~
4. Go to the soul sands biome

Observed results:

Soul sands will break bedrock

Expected results:

Soul sands should not break the bedrock.