I think "Allow Background Audio" is not working

I opened a thread on the forum because the audio doesn’t seem to work in a specific situation.

You can see all details here:

A user gave me a solution:

ENABLE: “Level Editor/Miscellaneous/Allow Background Audio”

But that option doesn’t seem to work (See Video Attached Here).

I think the user is right, and seem that option doesn’t work like he says it should.
In any case i cannot test the audio correctly.

If it is a bug, please fix it.

And if you know a console command to enable this option, please let me know.
It will be useful for me while the bug is fixing.

Thank you so much!!