Common address/URL for shared albums

[mejo-]

Is your feature request related to a problem? Please describe.
For albums that got shared with others, there's no common address/URL to these albums. The URL is different for the share owner than for the sharees. That's a bit unfortunate because it doesn't allow to link to the album in a way that is accessible for everyone who is part of the album.

Describe the solution you'd like
A common URL address that links to the album for all members of it.