Cannot access project forks page
Summary
Accessing project forks produces 500.
Steps to reproduce
https://gitlab.com/gitlab-org/gitlab-ce/forks
Relevant logs and/or screenshots
ActionView::Template::Error: undefined method 'title' for nil:NilClass
in app/views/shared/projects/_project.html.haml in block at line 44
Sentry issue: 1180
undefined method 'already_forked?' for nil:NilClass
in app/views/projects/forks/index.html.haml at line 32
Sentry issue: 1178