Add path helper method for vulnerability todo

ee/app/helpers/ee/gitlab_routing_helper.rb

@@ -42,6 +42,10 @@ module EE
       project_security_vulnerability_path(entity.project, entity, *args)
     end
 
+    def project_vulnerability_path(project, vulnerability, *args)
+      project_security_vulnerability_path(project, vulnerability, *args)
+    end
+
     def upgrade_plan_path(group)
       return profile_billings_path if group.blank?
 

ee/changelogs/unreleased/243447-fix-problem-with-todo-for-vulnerabilities.yml

+---
+title: Add missing path to project vulnerability
+merge_request: 40935
+author:
+type: fixed

ee/spec/helpers/ee/todos_helper_spec.rb

@@ -11,6 +11,17 @@ RSpec.describe ::TodosHelper do
     end
   end
 
+  describe '#todo_target_path' do
+    context 'when target is vulnerability' do
+      let(:vulnerability) { create(:vulnerability) }
+      let(:todo) { create(:todo, target: vulnerability, project: vulnerability.project) }
+
+      subject(:todo_target_path) { helper.todo_target_path(todo) }
+
+      it { is_expected.to eq("/#{todo.project.full_path}/-/security/vulnerabilities/#{todo.target.id}") }
+    end
+  end
+
   describe '#todo_author_display?' do
     using RSpec::Parameterized::TableSyntax