World corruption when loading pre 1.17.30.23 worlds

In short, giant cliffs, y positions shifting, incorrect cloud height, and emptied container blocks.

Much more information here:

https://drive.google.com/drive/folders/1mKIWYYOqhPqeDYrY6pLvmaXnzUfRueeS?usp=sharinghttps://docs.google.com/document/d/1IfDKBDbAxW45phP23qVdRp4IpxiyAmPNycBUDiMEupE/edit?usp=sharing