I do not know how it works with LXD. That special tmp directory is in /tmp/snap-private-tmp/snap.lxd/. Applications that are not provided in the same snap package do not have access in there.
This forum provides support for Incus. Also this.
I do not know how it works with LXD. That special tmp directory is in /tmp/snap-private-tmp/snap.lxd/. Applications that are not provided in the same snap package do not have access in there.
This forum provides support for Incus. Also this.