Only show Related Issues add badge when user can :admin_issue_link

Only show Related Issues add badge when user can :admin_issue_link.

It currently shows if you can update the issue :update_issue, https://gitlab.com/gitlab-org/gitlab-ee/blob/16c0b6e1b7075fa699c99e1a9a14313bf0440f05/app/views/projects/issues/show.html.haml#L72

cc @oswaldo

mentioned in issue #3073

marked this issue as related to #3004 (closed)

marked this issue as related to #3073

changed the description

Great catch @MadLittleMods. This check should reflect the authorization on the controller (https://gitlab.com/gitlab-org/gitlab-ee/blob/master/app/controllers/projects/issue_links_controller.rb#L3). Would you mind taking this one?

mentioned in merge request !2583 (merged)

mentioned in issue #3069 (closed)

mentioned in commit b0e5261d

closed via merge request !2583 (merged)

mentioned in commit 82d44d3d

mentioned in commit 80c84321