can't switch dimensions

[sprinox]

I've searched existing issues and couldn't find a duplicate.

• I confirm this is not a duplicate.

Operating System

.

Server Software Version/Commit

master

What happened?

server crashed when entering the end or nether.

To Reproduce

server crashed when entering the end or nether.

relate to 314547e

Expected behavior

we didn't set self.living_entity.entity.world when changing dimension.