Bug Summary:

What I expected to happen was:
The mushroom to go inside the flowerpot, similar to the overworld mushrooms and flowers.

What actually happened was:
The mushroom did not go inside the flowerpot. This shocked and disappointed me greatly.

Steps to Reproduce:
1. Obtain either a Crimson Fungi item or a Warped Fungi item.
2. Obtain a flowerpot item.
3. Use the either the Crimson Fungi or Warped Fungi on the flowerpot.