Create and use project path helpers that only need a project, no namespace

app/controllers/admin/projects_controller.rb

app/controllers/concerns/creates_commit.rb

app/controllers/concerns/milestone_actions.rb

app/controllers/concerns/repository_settings_redirect.rb

app/controllers/concerns/spammable_actions.rb

app/controllers/invites_controller.rb

app/controllers/projects/application_controller.rb

app/controllers/projects/artifacts_controller.rb

app/controllers/projects/blob_controller.rb

app/controllers/projects/branches_controller.rb

app/controllers/projects/build_artifacts_controller.rb

app/controllers/projects/builds_controller.rb

app/controllers/projects/commit_controller.rb

app/controllers/projects/compare_controller.rb

app/controllers/projects/environments_controller.rb

app/controllers/projects/forks_controller.rb

app/controllers/projects/graphs_controller.rb

app/controllers/projects/group_links_controller.rb

app/controllers/projects/hook_logs_controller.rb

app/controllers/projects/hooks_controller.rb