We need to ensure `Main.filepath` is consistent with the current path where we are saving the .blend file, otherwise some path processing code can produce invalid results (happens with e.g. the code syncing the two path storages in Library IDs).
We need to ensure `Main.filepath` is consistent with the current path where we are saving the .blend file, otherwise some path processing code can produce invalid results (happens with e.g. the code syncing the two path storages in Library IDs).