Can request attestation for experiment that I don't own

The button to request an attestation still shows up even if the experiment is not yours.

Reproduce:

Following this link (while you're not user "siebenkopf"): https://www.beat-eu.org/platform/experiments/siebenkopf/siebenkopf/FaceRec-WithOut-Training/2/Banca_P-PhaseDiff/