(Reuters) – Chelsea fans must not be punished by the sanctions on the club’s owner and should be allowed to buy tickets for the FA Cup semi-final clash against Crystal Palace next month, the chair of a UK parliamentary committee said on Monday. Premier League club Chelsea are dealing with government restrictions on their operations after sanctions were imposed on their Russian owner Roman Abramovich following Russia’s invasion of Ukraine. The government’s special licence allows Chelsea to play fixtures and pay staff but limits the sale of tickets and merchandise. Tickets can be sold only if am…