Already connected Rail reconnect to a new rail next to it.

When you make a rail in a straight like that is connected, try place a rail next to a connected rail in a line and the connected rail will move to the rail you placed. Bush 10.0 MyTablet

'To Reproduce'
Place a rail in a straight line, put the other rail on the right/left
Asoon the connected rail reconnect the new rail on the left/right that is confirmed it works on your device.