Spore Blossoms have a randomly placed hitbox

Steps to Reproduce:

1. Place multiple spore blossoms in different spots;
2. Observe their hitboxes.

Observed Results:
The hitbox is randomly placed like other plants, even though the block itself isn't.

Expected Results:
The hitbox is always centered to match the block.

Screenshots/Videos attached: Yes (by [Helper] lillybeacon)

Notes: