Steps to reproduce:

1. Set up Zabbix to auto provision users with email media type.
2. Log in as non-existent user to be provisioned.
3. Navigate to user media settings

Result:
**

User cannot modify severity of email media type.

Auto provisioning settings also do not allow setting a default severity for media types.

Wanted:

User can change the severity required to receive notifications on the auto provisioned media types.

A default can be set in the auto provisioning settings for the provisioned media types.