https://learn.microsoft.com/en-us/dynamics365/mixed-reality/guides/workflow-example-2
On the Guides Model-Driven App, once a new 3D Object is created, I should be able to choose a file to associate with the entry:
Nothing happens when the greyed out 'Choose File' button is clicked, with no explanation.
I am able to upload models via the Guides store App, but then have to manually add them to a collection.