Sadly not an env option it would be an OS setting for Windows the steps are here: Enable and disable your touchscreen in Windows
We are working on fixing this, You find another thread about this issue here: [172.0] Nodes position not saved - #2 by Mutasem
@jhambach that is interesting all the reports so far have been down to a device with a touchscreen (laptop, tablet that sort of thing), do you have a touch screen monitor or anything? What browser are you using? We have tried on a few different configurations and have not been able to reproduce on a non touch device.