Fixes cascading generation issues with Bushes.
Should fix a crash relating to calling getStateForPlacement from invalid meta on logs.
May fix cascading issues relating to vine generation, if that was ever a problem.
Crystals generate properly now, no longer checking if the bottom face is solid.
This build has been marked as incompatible with Placebo 2.x.x, which is an upcoming rewrite of the library. This will also in turn cause a rewrite of plants, likely alongside a rename and possible total overhaul of the mod.