Enabling iframe component in Pages to download files with "allow-download" flag

PowerShell Universal
1

I am using IFRAME component to embed another page in Pages and noticed that Start-UDDownloads doesn’t work.

Is there a way to set the sandbox flag to “allow-downloads”?

https://chromestatus.com/feature/5706745674465280

Product: PowerShell Universal
Version: 2.12.5
2

Has there been any progress with setting a flag to allow iframe download in Pages feature?