As firefighters from Anaheim Fire & Rescue calmly walked through Wyndham’s WorldMark hotel in June, a front desk clerk took the chance to clarify to any nearby guests the un-severity of the situation. “Just training,” the clerk announced while handing out breakfast doughnuts. “No need to be alarmed.” Training to address fires within high-rise buildings was the name of the game for the 11 firefighters and their leaders at the Katella Avenue hotel that morning. They were there to refresh their skills on the intricacies of doing their jobs within such massive buildings: hooking up hoses, knowing which equipment to…