LevelInstance Property overrides: Niagara properties cannot be overriden

• Create a Niagara System and add User Parameter
  • Use Fountain as a base
  • Add a float "User exposed" param
  • Assign is to the Spawn rate of the Fountain emitter
• Add the Niagara System to a LevelInstance
• Override the LevelInstance
  • Set the Exposed float to any value
  • Save the override

The value change was lost when the override was save