Bug Description

Name tags do not have a background.
Picture of issue:

Vanilla:

Reproduction Steps

1. Spawn a mob
2. Name the mob whatever you want
3. You will see the issue

Log File

Sodium: https://mclo.gs/YKqwW5U
Vanilla: https://mclo.gs/XAAs9vk

Crash Report

https://mclo.gs/Sx2TVVd

Fixed with 6adc89c.

Sodium 0.6.3 was published and this problem is fixed with it.