AFAIK this should work but it will not be visible in Assets tab but rather in Components:
[image: 4bac87b2-d7be-4ed2-96d3-7e5911dc4694.png]
Moreover, I just tried that with your configuration and the file generated was not empty. Honestly, I do not know what might have happened, your best bet is creating a ticket and attaching the .fig and .qtbridge files.