Thank you.
It is not visible in survival and it could very well be intended. But I noticed that when it is unlit, it has these textures (i.e. they actively intended to include this texture but they missed it in the lit version). So I believe that the issue should be reopened.
@LateLeg Mainly because it can get really annoying. It's easy to hit Shift by accident and it is then irreversible until you stop levitating.