world.FeatureMixin failed because isSoil doesn't exist

[QPCrummer]

https://pastebin.com/Au9342Uy

Version 1.17.1

Latest Lint2 version

[valoeghese]

Seems like a mixin remapping bug. This is the second we've heard of so far since the 1.17.1 alpha. Will make sure they are fixed by the next alpha release