Describe the bug
Importing from RomM results in all roms being listed for each platform.

To Reproduce
Steps to reproduce the behavior:

1. Configure emulators (nes, snes, n64)
2. Configure RomM plugin.
3. Import RomM library.
4. See all roms duplicated and listed under all platforms.

Expected behavior
Roms to be tagged to the proper platform as in RomM.

Screenshots