Unquarantine gc registry test and add selectors

qa/qa.rb

@@ -36,6 +36,7 @@ module QA
     "rspec" => "RSpec",
     "web_ide" => "WebIDE",
     "ci_cd" => "CiCd",
+    "project_imported_from_url" => "ProjectImportedFromURL",
     "repo_by_url" => "RepoByURL",
     "oauth" => "OAuth",
     "saml_sso_sign_in" => "SamlSSOSignIn",

qa/qa/specs/features/browser_ui/5_package/online_garbage_collection_spec.rb

@@ -2,7 +2,7 @@
 
 module QA
   RSpec.describe 'Package' do
-    describe 'Container Registry Online Garbage Collection', :registry_gc, only: { subdomain: %i[pre] }, quarantine: { issue: 'https://gitlab.com/gitlab-org/gitlab/-/issues/337791', type: :waiting_on } do
+    describe 'Container Registry Online Garbage Collection', :registry_gc, only: { subdomain: %i[pre] } do
       let(:group) { Resource::Group.fabricate_via_api! }
 
       let(:imported_project) do