Using wooden planks uses any varient, but places the correct one

[Former user]

Mod version 2.12 and 2.13 for MC 12.2.2

If you go to place down a floor made of 64 oak planks, but have 1 oak plank and 63 spruce planks, it will use both the oak and spruce planks, while placing a full oak floor. Undoing will give back 64 oak planks.