Disable sudo save prompt on Windows

Display message stating that saving with sudo is unsupported on Windows,
immediately without a prompt when permission is denied.

Author: niten94

internal/action/actions.go

@@ -1038,6 +1038,11 @@ func (h *BufPane) saveBufToFile(filename string, action string, callback func())
 	err := h.Buf.SaveAs(filename)
 	if err != nil {
 		if errors.Is(err, fs.ErrPermission) {
+			if runtime.GOOS == "windows" {
+				InfoBar.Error("Permission denied. Save with sudo not supported on Windows")
+				return true
+			}
+
 			saveWithSudo := func() {
 				err = h.Buf.SaveAsWithSudo(filename)
 				if err != nil {

internal/buffer/save.go

@@ -246,9 +246,6 @@ func (b *Buffer) saveToFile(filename string, withSudo bool, autoSave bool) error
 	if b.Type.Scratch {
 		return errors.New("Cannot save scratch buffer")
 	}
-	if withSudo && runtime.GOOS == "windows" {
-		return errors.New("Save with sudo not supported on Windows")
-	}
 
 	if !autoSave && b.Settings["rmtrailingws"].(bool) {
 		for i, l := range b.lines {