[FancyZones] Feature to create zone layouts spanning multiple monitors (#5289)

* Added the setting

* Added a property to Editor Settings

This will be used later

* Fixed a bug in the previous commit

* Simplified a method

* Added snapping points to the editor

* Simplified a method in ZoneSet

* Updated ZoneSet testcases

* Add a method to FancyZones / ZoneWindowHost

* Almost works

* The editor now launches, but FZ does not understand the results

* Refactored some code

* Snapping to a zone by dragging seems to work

* Hotkeys seem to work

* Refresh the work area handler after changing settings

* Fixed zones not snapping to monitor edges when moved

* Remove unused method in FancyZones.h

* Fixed an issue with DPI awareness

* Renamed setting to spanZonesAcrossMonitors

* Renamed a function

* Fixed a bug with the magnetic effect

* Fix restoring window positions on layout changes

src/modules/fancyzones/lib/ZoneWindow.h

@@ -5,6 +5,7 @@
 namespace ZoneWindowUtils
 {
     std::wstring GenerateUniqueId(HMONITOR monitor, PCWSTR deviceId, PCWSTR virtualDesktopId);
+    std::wstring GenerateUniqueIdAllMonitorsArea(PCWSTR virtualDesktopId);
 }
 
 /**