Moving gui in magnetic mode is not working

[totocaca123]

When I select magnetic mode:

Then I attach multiple gui together. Then I try to move the gui on top left. The gui is moving alone and attached gui's are not moved

see attached gui's:

Result after I move the left gui - right gui's are now detached (see after moving the left panel - left panel is moved alone):

Gui's are attached together visually but when I select the left one, other ones get detached