Ghost dragging belt over U-corner breaks corner with obstacle before it

[nobim]

Tl;dr: Above is how it started and below is how it went when shift-dragging a belt from below to above.

06-02-2025, 16-10-16.png (1.53 MiB) Viewed 249 times

Here is the practical example I noticed it with

Screenshot 2025-06-02 160633.png (3.35 MiB) Viewed 249 times

Screenshot 2025-06-02 160648.png (3.66 MiB) Viewed 249 times

[Pigophone]

Just noticed this too on what I think is the same bug. Here's my repro. I am on version 2.0.55.

Actual:


Expected:

expected.png (393.69 KiB) Viewed 38 times

Dragging into the belt (i.e., top to bottom in my scenario) works fine, even in the reversed direction.
Dragging into the box has the bug, including in the reversed direction.