Fix code review style issues

app/views/profiles/chat_names/index.html.haml

@@ -38,7 +38,7 @@
                     - if can?(current_user, :admin_project, project)
                       = link_to service.title, edit_namespace_project_service_path(project.namespace, project, service)
                     - else
-                      = chat_name.service.title
+                      = service.title
                 %td
                   = chat_name.team_domain
                 %td

spec/services/chat_names/authorize_user_service_spec.rb

@@ -15,7 +15,7 @@ describe ChatNames::AuthorizeUserService, services: true do
     end
 
     context 'when there are missing parameters' do
-      let(:params) { { } }
+      let(:params) { {} }
 
       it 'does not request a new token' do
         is_expected.to be_nil