[MC-241537] There are no shadows on text displayed within a variety of UIs

The Bug:

There are no shadows on text displayed within a variety of UIs.

Text displayed within titles, chat, tooltips, buttons, etc... have text shadows and the use of this makes text more legible, however, this isn't the case with a wide variety of UIs, therefore introducing an inconsistency.

Here is a table that lists all pieces of text that don't have shadows within UIs. Please note that there could be more not listed below.

Text within?	Does the text displayed within this UI have any shadows?	Screenshot Example
Inventory	No	text_within_inventory.png
First time tutorial, recipe, backup, and advancement toasts	No	text_within_toasts.png
All interactable blocks (chest, furnace, anvil, etc...)	No	text_within_interactable_blocks.png
Singleplayer, multiplayer, and realms lists	No	text_within_menu_lists.png
Social interactions names	No	text_within_social_interactions_names.png
Superflat customization list	No	text_within_superflat_customization_list.png

Steps to Reproduce:

Locate the text within any UI as listed above.
Take note as to whether or not there are shadows on text displayed within a variety of UIs.

Observed Behavior:

There are no shadows on text displayed within a variety of UIs.

Expected Behavior:

There would be shadows on text displayed within all UIs.