fix(Core/Vehicle): fix crash when using MC on a player riding a vehicle (#24551)

Co-authored-by: Shauren <shauren.trinity@gmail.com>

src/server/game/Entities/Vehicle/Vehicle.h

@@ -51,6 +51,7 @@ public:
     void RemoveAllPassengers();
     void Dismiss();
     bool IsVehicleInUse();
+    [[nodiscard]] bool IsControllableVehicle() const;
     void TeleportVehicle(float x, float y, float z, float ang);
 
     SeatMap Seats;