[FIX] Exception when sending email of messages attachments undefined
[FIX] Exception when sending email of messages attachments undefined

subesokun/Rocket.Chat,Sing-Li/Rocket.Chat,subesokun/Rocket.Chat,VoiSmart/Rocket.Chat,VoiSmart/Rocket.Chat,VoiSmart/Rocket.Chat,Sing-Li/Rocket.Chat,subesokun/Rocket.Chat,subesokun/Rocket.Chat,Sing-Li/Rocket.Chat,Sing-Li/Rocket.Chat