Describe the bug
Occultism Oak Sapling doesn't exist (the requirement for trading with the Otherworld Sapling Trader).
I imagine the intended trade is "Unstable Otherworld Sapling" for "Stable Otherworld Sapling".
When trading you get a Unstable otherworld Sapling instead of a Stable one.
When getting it in create you also get an unstable sapling. The stable one doesnt exist.

To Reproduce
Steps to reproduce the behavior:

1. Place block '...'
2. Right click to open menu.
3. Click Button '....'
4. See error

Expected behavior
Get a stable sapling

Screenshots
If applicable, add screenshots to help explain your problem.

System (please complete the following information):

• Occultism Version: occultism-1.0.5.jar
• OS: [e.g. Windows]
• Minecraft Version: forge 35.1.36
• Modpack Link and Version, or list of mods: Feywild

Additional context
Add any other context about the problem here.

@SaphieNyako this may be a bug that existed in 1.0.5 without being noticed but in the latest public build, 1.0.8 the "stable" sapling (just named otherworld sapling vs "natural otherworld sapling") exists and can be traded by providing the trader with the natural version and waiting for 20 seconds.