When in deferred technical preview upscaling get enabled after restarting the game
Even though you disabled upscaling and toggle is off
Steps to reproduce
1.import mcpack from attachments
2.enable the pack in global resources
3.create a world with deferred technical preview for creators experimental toggle enabled
4.enable the deferred technical preview upscaling should be on by default
5.disable the upscaling toggle
6.exit the game step by step and launch the preview
7.enter the world with deferred technical preview enabled
8.then watch mobs move. You can see ghosting effect
Ghosting effect should only happens when upscaling is enabled
If you enable and disable the upscaling you can observe that ghosting is gone