fix(ad_user_vsup): primary mail must be between proxyAddresses
fix(ad_user_vsup): primary mail must be between proxyAddresses

- It is marked as primary mail using "SMTP:" prefix.

CESNET/perun-services,CESNET/perun-services,zlamalp/perun-services,zlamalp/perun-services,CESNET/perun-services,CESNET/perun-services,zlamalp/perun-services,zlamalp/perun-services