Is the leaked call script about the finale actually genuine or is it just a conspiracy thats been fan made?

You wrote "call script" and I'm sure you meant "call sheet."

Honestly, I don't want to comment on that. No matter what it's a losing battle. All I can really say is to watch the season finale and see. However, keep in mind that changes can be made at any time. For instance, when something was leaked last year about Vincent, the producers changed the Vincent beat and it didn't air like the leak indicated. Ultimately, I think everyone here wants the fans to watch the episode and enjoy it.