Show email if the authenticated user owns the profile page being requested for (#4981)
* Show email if the authenticated user owns the profile page being
requested for.
Also removed `setting.UI.ShowUserEmail` as it's documentation says it
only controls the email setting on the explore page
* fix current user check... This prevents a panic as a user must be signed in before ctx.User is called
* fix panic in tests
* try to fix tests
* Update year
* Test CI fail
* Revert change
* User 3 is not allowed to authorize
* Set user2 email to be private
* Change to user4 in explore page as user2 now has private email option set