Fix tracking property on invite members link

- to fully use cookie based approach for subject.

app/helpers/invite_members_helper.rb

@@ -27,8 +27,8 @@ module InviteMembersHelper
     link_to invite_members_url(form_model),
             data: {
               'track-event': 'click_link',
-              'track-label': tracking_label(current_user),
-              'track-property': experiment_tracking_category_and_group(:invite_members_new_dropdown, subject: current_user)
+              'track-label': tracking_label,
+              'track-property': experiment_tracking_category_and_group(:invite_members_new_dropdown)
             } do
       invite_member_link_content
     end

config/feature_flags/experiment/invite_members_new_dropdown_experiment_percentage.yml

 ---
 name: invite_members_new_dropdown_experiment_percentage
 introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/50069
-rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/268129
+rollout_issue_url: https://gitlab.com/gitlab-org/growth/team-tasks/-/issues/291
 milestone: '13.8'
 type: experiment
 group: group::expansion

spec/helpers/invite_members_helper_spec.rb

@@ -123,7 +123,7 @@ RSpec.describe InviteMembersHelper do
 
       before do
         allow(helper).to receive(:experiment_tracking_category_and_group) { '_track_property_' }
-        allow(helper).to receive(:tracking_label).with(owner)
+        allow(helper).to receive(:tracking_label)
         allow(helper).to receive(:current_user) { owner }
       end
 
@@ -132,8 +132,7 @@ RSpec.describe InviteMembersHelper do
 
         helper.dropdown_invite_members_link(form_model)
 
-        expect(helper).to have_received(:experiment_tracking_category_and_group)
-                            .with(:invite_members_new_dropdown, subject: owner)
+        expect(helper).to have_received(:experiment_tracking_category_and_group).with(:invite_members_new_dropdown)
       end
 
       context 'with experiment enabled' do

spec/views/layouts/header/_new_dropdown.haml_spec.rb

@@ -10,7 +10,7 @@ RSpec.describe 'layouts/header/_new_dropdown' do
       before do
         allow(Gitlab::Experimentation).to receive(:active?).and_return(true)
         allow(view).to receive(:experiment_tracking_category_and_group)
-        allow(view).to receive(:tracking_label).with(user)
+        allow(view).to receive(:tracking_label)
       end
 
       context 'with ability to invite members' do
@@ -20,8 +20,8 @@ RSpec.describe 'layouts/header/_new_dropdown' do
           subject
 
           expect(view).to have_received(:experiment_tracking_category_and_group)
-                            .with(:invite_members_new_dropdown, subject: user)
-          expect(view).to have_received(:tracking_label).with(user)
+                            .with(:invite_members_new_dropdown)
+          expect(view).to have_received(:tracking_label)
         end
       end