Steps to Reproduce:
- Create a new world (Can be reproduced more easily in a flat world);
- Go to the Nether;
- Die in there, while in survival mode;
- Attempt to mine any block in the overworld after you respawn.
The blocks you punch turn into nether related blocks.
The blocks stay the same.
Screenshots/Videos attached: Yes
Notes: You must die in survival mode in order to easily reproduce this, otherwise you'll experience