There're various of cases would cause the `beforeRender` performance mark is not existed in the performance entries, learned from the issues description. We have to check if that mark is existed.
This PR also refactors all the mark names and measurement names into constants so that we won't easily mistype them
Fixes#20743Fixes#40903Fixes#47560
Co-authored-by: Balázs Orbán <18369201+balazsorban44@users.noreply.github.com>
