Comment 42 for bug 1971168

(In reply to Al Savage from comment #18)
> Yes, the shares were/are mounted via Nautilus prior to using FF to attempt to save a file, in that screenshot.
>
> ```
> asavage@Ubuntu1:~$ ls -al /var/run/user/1000/gvfs
> total 0
> drwx------ 2 asavage asavage 40 Jun 11 00:20 .
> drwx------ 21 asavage asavage 660 Jun 11 08:57 ..
> ```
>
> I use Nautilus to move files to/from shares without issue, but the file pickers in FF (snap), Thunderbird, and Chrome (deb) all show the shares but cannot work with them.

So you have nothing in that folder, I dont know why, but it's consistent with the folder being empty within the file picker.