Merge pull request #3256 from oliverguenther/fix/module_menu_permissions

Hide the module menu when user is anonymous and login is required.

config/initializers/menus.rb

@@ -39,14 +39,23 @@ Redmine::MenuManager.map :top_menu do |menu|
   menu.push :work_packages,
             { controller: '/work_packages', project_id: nil, action: 'index' },
             caption: I18n.t('label_work_package_plural'),
-            if: Proc.new { User.current.allowed_to?(:view_work_packages, nil, global: true) }
+            if: Proc.new {
+              (User.current.logged? || !Setting.login_required?) &&
+                User.current.allowed_to?(:view_work_packages, nil, global: true)
+            }
   menu.push :news,
             { controller: '/news', project_id: nil, action: 'index' },
-            if: Proc.new { User.current.allowed_to?(:view_news, nil, global: true) }
+            if: Proc.new {
+              (User.current.logged? || !Setting.login_required?) &&
+                User.current.allowed_to?(:view_news, nil, global: true)
+            }
   menu.push :time_sheet,
             { controller: '/time_entries', project_id: nil, action: 'index' },
             caption: I18n.t('label_time_sheet_menu'),
-            if: Proc.new { User.current.allowed_to?(:view_time_entries, nil, global: true) }
+            if: Proc.new {
+              (User.current.logged? || !Setting.login_required?) &&
+                User.current.allowed_to?(:view_time_entries, nil, global: true)
+            }
   menu.push :help, OpenProject::Info.help_url,
             last: true,
             caption: '',