Describe the bug
The Arcane Crystal Obelisk can't be waterlogged, which could make for a great underwater decoration.

To Reproduce
Steps to reproduce the behavior:

1. Place the Arcane Crystal Obelisk underwater
2. See error

Expected behavior
It should be waterloggable.

Version(please complete the following information):

• Forbidden & Arcanus: v1.5-beta-4
• Forge: v28.1.107

Also found out that the Candelabra can be waterlogged but can't be placed underwater?

Added Waterlogging to the Arcane Crystal Obelisk in 1.15.2-1.3 :)