Inventory icon of any banner is the snout icon

The inventory icon of any banner is the snout banner pattern.

Steps to reproduce

1. Get a banner
2. See the inventory icon

What I observed

Inventory icon is Snout

What I expected

Inventory icon is a red/blue/green etc. banner instead of Snout

Note

1. When placed down it is the respective color banner
2. Works in any gamemode.