Improved view of members

Problem

We often receive feedback on the current membership page that it is difficult to understand for users who is actually part of a group or project. This is because shared groups are currently not listed as part of the members list, but rather in a separate tab, so there is no easy way for users to understand at one glance who the members of the group or project are.

There are also cases where groups or projects have a member listed more than just once, but we only display them with the highest permission level.

Proposal

Improve the members layout to give users a better overview of who the members are, what permissions they have, and which groups (if any) they were added from.