There are no shadows on text displayed within the superflat customization or preset lists

The Bug:

There are no shadows on text displayed within the superflat customization or preset lists.

The report was created based on this comment by [Mojang] slicedlime.

Steps to Reproduce:

1. Click on "Create New World", then hit the "World" tab, and change the world type to superflat.
2. Click on the "Customize" button and look closely at the text within the list.

Observed Behavior:

There are no shadows.

Expected Behavior:

There would be shadows.