Wall signs held by endermen or block display entities are not rendered

The Bug
When doing

/summon minecraft:enderman ~ ~ ~ {NoAI:1,carriedBlockState:{Name:"acacia_wall_sign"}}

The enderman doesn't render it despite it being able to render wall_torch

Reproduce

/summon minecraft:enderman ~ ~ ~ {NoAI:1,carriedBlockState:{Name:"acacia_wall_sign"}}

Observed Result

Wall signs don't render when held by endermen.

Expected Result

Wall signs would render when held by endermen.