-Separated submeshes into individual trailers for more control over the contents of your train.

-Added custom LOD for main model and submeshes.
-Reworked submeshes.
-Added guardrails below dampers.
-Added small platform for workers to stand on.
-Added normals to backside of dampers.
-Removed EALOS-t as submesh (will be released
as a standalone trailer in the future.)