Fix downloadFile

salesbook.Maui/Platforms/iOS/Helpers/QlPreviewItemFileSystem.cs

@@ -0,0 +1,12 @@
+using Foundation;
+using QuickLook;
+
+namespace salesbook.Maui.Helpers;
+
+public class QlPreviewItemFileSystem(string fileName, string filePath) : QLPreviewItem
+{
+    public override string PreviewItemTitle => fileName;
+
+    public override NSUrl PreviewItemUrl => NSUrl.FromString(filePath);
+
+}