Revert of commits that allowed non-temp Blender windows to be saved
and restored that spanned multiple monitors on the Windows platform.
This causes problems with temp windows (like Preferences & Render) that
cannot currently be fixed.
See 104956 for much more details.
This change is being redone after it was accidentally reverted.
Differential Revision: https://projects.blender.org/blender/blender/pulls/104956
Reviewed by Ray Molenkamp
8b63966236