openproject/app/views/projects/settings/_action_menu.html.erb

<% content_for :action_menu_main do %>
  <%= li_unless_nil(link_to_if_authorized(l(:button_copy),
                                          { :controller => "projects",
                                            :action => "copy_project",
                                            :coming_from => :settings },
                                          :class => 'copy icon icon-copy',
                                          :accesskey => accesskey(:copy))) %>
<% end %>