Middle Click on Shulker Box displays the wrong text

^{Update by [Mojang] Mega_Spud (Jay Wells):}
Summary:
When I use pickblock (middle click) on a shulker box, it displays the wrong item name in the hotbar.

Steps to Reproduce:

1. Use pickblock / middle click on a shulker box

Observed Results:
It displays "tile.shulker_box.name" in the hotbar tool-tip.

Expected Results:
It should give the proper name of the shulker box.

Screenshots/Videos attached: Yes

Notes:

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Original Description:
See image. I middle clicked the shulker box and it displays "tile.shulker_box.name" When I scroll over the shulker box in my hotbar is displays the proper text "Purple Shulker Box"