Niagara System Doesn't Update Mesh Renderer If Static Mesh is Changed in the Emitter

The Niagara System doesn't update the mesh renderer If the Static Mesh is changed to an Imported Mesh in the source emitter

Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL#  5470758

1. Open the Editor
2. Enable Niagara in Plugins>FX and restart the editor
3. Create a Niagara emitter using the fountain sample
4. Open the emitter, delete the sprite renderer, and add a mesh renderer
5. Select a Cube for the Static Mesh and Compile/Save
6. Create a Niagara System using the created emitter
7. Use any mesh to replace the cube mesh in the emitter

Results:

After compiling and saving the emitter with a new mesh it will not update the system even if it is deleted and re-added to the system

Expected:

The Niagara System would be updated