By Nathan Ridley Red Bull advisor Helmut Marko has urged Ferrari team principal Fred Vasseur to find 18-year-old sensation Oliver Bearman a seat on another team. British driver Bearman enjoyed a fairytale start to life in Formula 1 last weekend at the Saudi Arabian Grand Prix, having been called up by Ferrari when the experienced Carlos Sainz was forced to undergo surgery for appendicitis. In a stunning debut, teenage hotshot Bearman finished seventh \- above Lewis Hamilton \- and made himself an even hotter prospect. But as Marko points out, Ferrari look set for the next few years. Charles Le…