chunk_section_visibility translucent planes are not affected by fog

As these are an object that appear inside the world, like the other parts of the debug renderer, it’d be expected that they’re affected by fog as with everything else. For some reason, this does not happen, making them look very bizarre.

Reproduction steps:

1. enable this debug renderer

2. stand partially inside of powder snow

3. note how visible these planes are when they should not be.