* Unlimited fuel for AI flights. For player flights, included at startup, for AI flights with join/split, applied at join/split.
* Unlimited fuel for AI flights. For player flights, included at startup, for AI flights with join/split, applied at join/split.
* Corrected default value of ai_unlimited_fuel to False in configure_behavior
* ai_unlimited_fuel : set argument based on setting and simplify activation section
* AI Unlimited Fuel : enable at start, disable at racetrack start/join, enable at racetrack end/split
* Correct typing : bool to Optional[bool]
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Co-authored-by: tmz42 <thomas.monnzie@gmail.com>
