When MaterialInterface is added to UserParameter of NiagaraSystem, Material can be set in Properties.

Also, in UE4main CL15988344, there is no MaterialInterface item in the NiagaraParameterCollection to begin with.

Steps to Reproduce

1. Create a NiagaraParameterCollection.
2. Add MaterialInterface.
3. The item to set Material does not appear.

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Won't Fix
ComponentUE - Niagara
Affects Versions4.26.25.1
CreatedApr 16, 2021
ResolvedJul 19, 2023
UpdatedJul 19, 2023
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