[FIX] Mailer breaking if user doesn't have an email address (#14614)
[FIX] Mailer breaking if user doesn't have an email address (#14614)


subesokun/Rocket.Chat,inoio/Rocket.Chat,inoio/Rocket.Chat,inoio/Rocket.Chat,4thParty/Rocket.Chat,subesokun/Rocket.Chat,4thParty/Rocket.Chat,4thParty/Rocket.Chat,VoiSmart/Rocket.Chat,VoiSmart/Rocket.Chat,Sing-Li/Rocket.Chat,VoiSmart/Rocket.Chat,subesokun/Rocket.Chat,Sing-Li/Rocket.Chat,4thParty/Rocket.Chat,Sing-Li/Rocket.Chat,subesokun/Rocket.Chat,Sing-Li/Rocket.Chat