Large Landscapes using World Composition have weird LODs when streamed out and back in

When World Composition Sublevels are streamed out and back in the LODs appear distorted.

This reported and tested in 4.24.3 (CL-11590370). This was reproduced in 4.23.1 (CL-9631420), 4.25 Preview 2 (CL-12055273), and Main 4.26 (CL-12161634)

1. Download and open the attached project
2. Press Play and move around the level
3. When a Sublevel streams out turn around and stream it back in

Results: The levels newly streamed-in are looks nice and have proper polygons,
but if the levels are streamed-out then the adjacent sub meshes's LOD is broken and have very poor polygons.

Expected: Sub levels must have proper LOD meshes

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