Catering disaster

As many of you, we had to postpone our April 4th wedding due to our venue closing because of COVID-19. My venue has us rescheduled for May 23, 2020 in Hope's that this will be over soon. Anywho, almost all of my vendors have been COMPLETELY wonderful and helpful with the transition. The only one that is giving us a hard time is our caterer. I let the caterer know the same day that we would likely (they were playing it "by ear" at the time) have to reschedule until May 23. We were set to do our tasting today, 3/24. It was on March 16th that the caterer told me that she would be charging us $470 to "replace" perishable items. Mind you, this was 3 weeks before the original wedding date. Of course, fh and were shocked because we couldn't believe that she had 1. Bought food that far in advance and 2. Wanted US to pay for it. My coordinator stated that she needs to give us the food she paid for because it's only right. She cited "Food safety laws". She also cancelled our tasting that was set for today. I want to cancel with her, but we have already paid our $1700 deposit and she refuses to give us back. Sorry for the rant, I just can't believe this.