Exporting a structure using the Structure Block disables mipmapping

Steps to Reproduce:

1. Using commands, get a structure block

2. Place it down and set the mode to “3D Export”

3. Export the structure

4. Close the export menu

Observed Results:
The mipmapping is disabled until the world is reloaded.

Expected Results:
The mipmapping is kept.

Screenshots/Videos attached: Yes

Notes: This may be related to the removal of padding for textures.