Soul Shards Despawn

Fixes

• Soul cage can't be effectively broken by any tool (and won't drop anything)
• #1 (won't spawn except on existing entities)
• Not spawning on consistant number of ticks
• Waila plugin crashing when looking at players
• Always failing to find nearby player

Features

• Added back option to remove XP dropping from spawned mobs (removed in the original fabric port)