Ability to manage users display name

Sometimes, when a user signs up to Featurebase via our app, their email address is taken and applied as their display name.

We’ll ask users to change it before we approve their posts, but sometimes they’re struggling to do so, and it would be helpful if we were able to edit their display name to something other than the email address.

It would also be helpful in cases where usernames are inappropriate or misleading/too similar to staff names.