Square function on a node doesn't work

[Mahabarata]

URL

https://www.openstreetmap.org/edit?node=12104649510#map=22/4.94400/-52.32293

How to reproduce the issue?

1. follow the above URL link, it will select a node
2. right click on the node and select the square function (or click on the keyboard on the Q)
3. the above node moves, angle is not 90° at the selected node

Screenshot(s) or anything else?

Which deployed environments do you see the issue in?

Released version at openstreetmap.org/edit

What version numbers does this issue effect?

2.29.0

Which browsers are you seeing this problem on?

Firefox