Add a resend confirmation link when grace period is expired
What does this MR do?
Because people tend to loose emails, especially after 30 days, which is the grace period for users to access GL without confirming their email address, a 'Resend' link is welcome in the alert flash message shown when trying to log in with an unconfirmed email address after the grace period.
Related to https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/31245 And #65483 (closed)
Edited by Alex Buijs