LXD 2.0: No custom images available, when creating container.

[ghost]

Steps to reproduce:

1. Create container.
2. Do something with container and stop it
3. Create an image from container with lxc publish
4. Try to create a new container with new image...

[dobin]

I fixed the issue, but it could have some improvements:

• use all (?) aliases (currently only first one)
• what exactly should be shown here?

Imho a detailed list like in image list would be more appropriate than a select menu.