Mails are send with html despite using "plain" as type

[cesasol]

Bug Report

Steps to Reproduce

Send a mail with the type option set to plain, example payload:

{
  "to": [
    1,
    "cesar@wdinamo.com",
    2,
    {"email": "cesasol@hotmail.com", "name": "Cesar Doe"}
  ],
  "subject": "Prueba",
  "body": "Este es un texto de prueba",
  "type": "plain",
  "data": {}
}

Expected Behavior

Send the raw body of the payload.

Actual Behavior

The mail is sent with html and as plain text resulting in viewing the html code.

Other Context & Screenshots

Technical Details

• Device: Desktop
• OS: Linux
• Web Server: Nginx
• PHP Version: 7.2.x
• Database: MySQL
• Install Method: cloned the directus repo

[binal-7span]

Fixed in #966