Add missing conan_metadatum to package presenter

app/presenters/packages/detail/package_presenter.rb

@@ -23,6 +23,7 @@ module Packages
         package_detail[:maven_metadatum] = @package.maven_metadatum if @package.maven_metadatum
         package_detail[:nuget_metadatum] = @package.nuget_metadatum if @package.nuget_metadatum
         package_detail[:composer_metadatum] = @package.composer_metadatum if @package.composer_metadatum
+        package_detail[:conan_metadatum] = @package.conan_metadatum if @package.conan_metadatum
         package_detail[:dependency_links] = @package.dependency_links.map(&method(:build_dependency_links))
         package_detail[:pipeline] = build_pipeline_info(@package.build_info.pipeline) if @package.build_info
 

changelogs/unreleased/232998-package-metadata.yml

+---
+title: Fix Conan recipe display in the package details page
+merge_request: 39643
+author:
+type: fixed

spec/presenters/packages/detail/package_presenter_spec.rb

@@ -74,6 +74,15 @@ RSpec.describe ::Packages::Detail::PackagePresenter do
       end
     end
 
+    context 'with conan metadata' do
+      let(:package) { create(:conan_package, project: project) }
+      let(:expected_package_details) { super().merge(conan_metadatum: package.conan_metadatum) }
+
+      it 'returns conan_metadatum' do
+        expect(presenter.detail_view).to eq expected_package_details
+      end
+    end
+
     context 'with composer metadata' do
       let(:package) { create(:composer_package, :with_metadatum, sha: '123', project: project) }
       let(:expected_package_details) { super().merge(composer_metadatum: package.composer_metadatum) }