A catering worker has been arrested after he was accused of indecently assaulting a Cathay Dragon flight attendant on a plane at Hong Kong International Airport.The 25-year-old man was delivering meals to Nanjing-bound flight KA810 at a parking bay before take-off on Wednesday morning, when a female cabin crew member alleged that his private parts had come into contact with her bottom, a police source said.The suspect rejected the woman’s claim, and police were called in.An airport district…