As a workaround, try unmaximising the two windows so portions of both are visible at the same time. You can double click on the window title in the panel or right-click and choose unmaximise. You can then drag from one window directly to visible part of the other.
As a workaround, try unmaximising the two windows so portions of both are visible at the same time. You can double click on the window title in the panel or right-click and choose unmaximise. You can then drag from one window directly to visible part of the other.