Fix invite group button showing when signed out

app/helpers/invite_members_helper.rb

@@ -8,7 +8,7 @@ module InviteMembersHelper
   end
 
   def can_invite_group_for_project?(project)
-    Feature.enabled?(:invite_members_group_modal, project.group) && project.allowed_to_share_with_group?
+    Feature.enabled?(:invite_members_group_modal, project.group) && can_manage_project_members?(project) && project.allowed_to_share_with_group?
   end
 
   def directly_invite_members?

spec/features/projects/members/invite_group_spec.rb

@@ -32,6 +32,14 @@ RSpec.describe 'Project > Members > Invite group', :js do
 
       expect(page).to have_selector(expected_invite_group_selector)
     end
+
+    it 'does not display either the form or the button when visiting the page not signed in' do
+      project = create(:project, namespace: create(:group))
+
+      visit project_project_members_path(project)
+
+      expect(page).not_to have_selector(expected_invite_group_selector)
+    end
   end
 
   describe 'Share with group lock' do