Migrated uitask_windows.go to the new string handling.
Migrated uitask_windows.go to the new string handling.

hajimehoshi/ui,292388900/ui,janstk/ui,mirrr/ui,UIKit0/ui,hajimehoshi/ui,ProtonMail/ui,robbiev/ui,UIKit0/ui,UIKit0/ui,ProtonMail/ui,hajimehoshi/ui,HunterChen/ui,cainiaocome/ui,292388900/ui,janstk/ui,robbiev/ui,beni55/ui,beni55/ui,janstk/ui,mirrr/ui,beni55/ui,HunterChen/ui,HunterChen/ui,robbiev/ui,ProtonMail/ui,292388900/ui,mirrr/ui,cainiaocome/ui,cainiaocome/ui