Allow new user registration when first and last name are not unique
There is one use case related to #1089 (closed) that we still need to cater for which I confirmed with Dione.
When a user signs up with unique details, except for their first and last name, they should still be able to sign up. For example, if two different people named John Smith exist, they should both be able to use the BCMS without making their name unique (but they will need to use a unique email and username).
At the moment, if all your details are unique except your first and last name, you get the following error:
- First I registered a new unique account
- Then I tried to register another account with the same first and last names, with all other details (email, username) unique, and got this error:
When all details are unique, except first and last name, we should allow them to register.