FileOpenPicker is not working in Uno Web

[Emianna]

I have tried FileOpenPicker to select a file from the machine. But the file picker is not opening for me when running in the web assembly. The sample code is given below;

var fileOpenPicker = new FileOpenPicker();
fileOpenPicker.SuggestedStartLocation = PickerLocationId.Desktop;
StorageFile fileOpen = await fileOpenPicker.PickSingleFileAsync();

Getting the below error:

User did not make a selection or the file selected wasdeemed too sensitive or dangerous to be exposed to the website - SecurityError: Failed to execute 'showOpenFilePicker' on 'Window': Must be handling a user gesture to show a file picker.

Can you please help me here @jeromelaban