[Merge] ~rafaeldtinoco/ubuntu/+source/grub2:lp1838525-eoan into ubuntu/+source/grub2:ubuntu/eoan-devel

[Rafael David Tinoco]

Comment:

https://bugs.launchpad.net/ubuntu/+source/debian-installer/+bug/1838525/comments/32

Describes how I tested this fix.

Bug comment has the full way of verifying (which requires the installer to have this new grub-common package).
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https://code.launchpad.net/~rafaeldtinoco/ubuntu/+source/grub2/+git/grub2/+merge/373792
Your team Ubuntu Core Development Team is requested to review the proposed merge of ~rafaeldtinoco/ubuntu/+source/grub2:lp1838525-eoan into ubuntu/+source/grub2:ubuntu/eoan-devel.