Train Extractor Improvements

[akberenz]

• [x] Show if any train cars have already been entered.
• [x] Show entry point value per car
• [x] Show on going loaded/found counter
• [ ] Indicate gates (blacklist / sgtools / group / etc)

[akberenz]

f876dffd9b9decb867b2eafc57c4d08b01bd01b8