Remove the need of Authorization when X-...-Authorization is used

[ia3andy]

As discussed with @edewit and @gastaldi, our support for Gitea, as a workaround, use this Authorization to secure the request to Gitea (that uses impersonation with admin). We need to find a solution for this specific case and remove the need of it when X-...-Authorization is used.

[gastaldi]

This is not for Gitea only. Any Impersonation feature needs the logged user, including OpenShift