If ever there was an argument to be made for kings not going to battle, it would be Aegon II Targaryen’s (Tom Glynn-Carney’s) feeble attempt to do something useful in House of the Dragon Season 2, episode 4.Desperate to be taken seriously the king hops aboard his tiny dragon Sunfyre, flying off to try and assist Hand of the King Criston Cole (Fabien Frankel) and his troops in their attempt to…