Backport GroupSAML unlink changes

- Improves spacing between account buttons on Profile
- AccountsController#show uses locals instead of instance variables
- New `display_providers_on_profile?` helper method
- Adds `render_if_exists` for GroupSAMl unlink buttons

See: https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/8682

1 files changed, 4 insertions, 0 deletions

diff --git a/app/helpers/auth_helper.rb b/app/helpers/auth_helper.rb
index 44f85e9c0f8..654fb9d9987 100644
--- a/app/helpers/auth_helper.rb
+++ b/app/helpers/auth_helper.rb
@@ -57,6 +57,10 @@ module AuthHelper
     auth_providers.reject { |provider| form_based_provider?(provider) }
   end
 
+  def display_providers_on_profile?
+    button_based_providers.any?
+  end
+
   def providers_for_base_controller
     auth_providers.reject { |provider| LDAP_PROVIDER === provider }
   end