Fix "notification emails" link for custom notifications

app/views/profiles/notifications/_group_settings.html.haml

@@ -10,6 +10,6 @@
 
   .gl-display-flex.gl-gap-3.gl-flex-wrap
     - if setting
-      .js-vue-notification-dropdown{ data: { disabled: emails_disabled.to_s, dropdown_items: notification_dropdown_items(setting).to_json, notification_level: setting.level, group_id: group.id, show_label: "true" } }
+      .js-vue-notification-dropdown{ data: { disabled: emails_disabled.to_s, dropdown_items: notification_dropdown_items(setting).to_json, notification_level: setting.level, help_page_path: help_page_path('user/profile/notifications'), group_id: group.id, show_label: "true" } }
     = form_for setting, url: profile_group_notifications_path(group), method: :put, html: { class: 'update-notifications gl-display-flex' } do |f|
       .js-notification-email-listbox-input{ data: {  name: 'notification_setting[notification_email]', emails: @user.public_verified_emails.to_json, empty_value_text: _('Global notification email') , value: setting.notification_email, placement: 'right' } }

app/views/profiles/notifications/_project_settings.html.haml

@@ -10,4 +10,4 @@
 
   .gl-display-flex.gl-gap-3.gl-flex-wrap
     - if setting
-      .js-vue-notification-dropdown{ data: { disabled: emails_disabled.to_s, dropdown_items: notification_dropdown_items(setting).to_json, notification_level: setting.level, project_id: project.id, container_class: 'gl-mr-3', show_label: "true" } }
+      .js-vue-notification-dropdown{ data: { disabled: emails_disabled.to_s, dropdown_items: notification_dropdown_items(setting).to_json, notification_level: setting.level, help_page_path: help_page_path('user/profile/notifications'), project_id: project.id, container_class: 'gl-mr-3', show_label: "true" } }