DraggableFormPos RestoreFormPosition fixes
DraggableFormPos RestoreFormPosition fixes

* Default to int.MinValue instead of -999 to prevent collisions.
* Use this.DesignMode instead of checking if options are instanced.

EDDiscovery/EDDiscovery,EDDiscovery/EDDiscovery,EDDiscovery/EDDiscovery,andreaspada/EDDiscovery,klightspeed/EDDiscovery,klightspeed/EDDiscovery,andreaspada/EDDiscovery,klightspeed/EDDiscovery