[Bug report]: Certain planets dont have bedrock

### Describe the bug

Certain  planets as well as neptune are missing bedrock, going down far enough leads to the void

### Steps to reproduce

dig down.

### Expected Behaviour

_No response_

### Logs

n/a

### Screenshots

_No response_

### Minecraft Version

1.20.1

### Ad Astra Version

1.15.20

### Mod Loader

Fabric, Forge

### Mod Version

1.1.2

### Additional context

_No response_