Tl;dr: Above is how it started and below is how it went when shift-dragging a belt from below to above.
Here is the practical example I noticed it with

If I go to radar view and click on the blueprint book in my hotbar, the blueprint book opens normally. However, when I left click on a blueprint inside the book nothing happens. This is different than if I was in player view and would do the same as then the blueprint would get selected and it would ...

Just noticed this today as I was driving around with the tank. It happens with this foliage in particular and did get very distracting when the tank was hid under a few bushes.

(https://imgur.com/a/KyOHwkW)