Open and save dialogs on Windows use deprecated API
#### Steps to reproduce: - open Inkscape - menu File > Open; or - menu File > Save #### What happened? Opens deprecated XP file picker, which is especially inconsistent after: inkscape!5144 https://learn.microsoft.com/en-us/windows/win32/dlgbox/open-and-save-as-dialog-boxes #### What should have happened? Opens modern Vista file picker, today with native dark mode. https://learn.microsoft.com/en-us/windows/win32/shell/common-file-dialog https://learn.microsoft.com/en-us/uwp/api/Windows.Storage.Pickers.FileOpenPicker (for MS Store version) #### Inkscape Version and Operating System: - Inkscape Version: 1.3-beta - Operating System: Windows - Operating System version: 11 (22621.1848) Example files: ![Captura_de_Tela__12_](/uploads/31cc4c69addb9989ab6dc1d313c63b73/Captura_de_Tela__12_.png) Old file picker ![Captura_de_Tela__13_](/uploads/a81ddedb44f1f4e790ee0e12b709729b/Captura_de_Tela__13_.png) "New" (16 years old) filer picker
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