change otr version check to still track game versions if available

[Archez]

Previous PR #345 allowed OTR with no version to load, but accidentally broke game version tracking when there was a version file.

Tweaking the logic again to retain the game version tracking regardless of the valid version list, and still allow no version file to succeed when valid version list is empty.

• OTR has no version && version list is empty -> continue to load the OTR
• OTR has no version && version list is provided -> OTR is not loaded
• OTR has version && version list is empty -> continue to load the OTR and track the game version
• OTR has version && version list is provided -> only load OTR if its version matches the provided list and track the game version

Basically soh provides vanilla/mq and soh.otr files and an empty valid version list, but we still need the game versions tracked by the archive manager.

(sorry for the back-to-back on this, I should have fully tested all edge cases 😅)