fix: refactor AverageEventDurationChart to use InsightsBookingService#22702

sean-brydon merged 7 commits intomaincalcom/cal.com:mainfrom

eunjae/cal-6142-replace-existing-charts-to-use-insightsbookingservicecalcom/cal.com:eunjae/cal-6142-replace-existing-charts-to-use-insightsbookingserviceCopy head branch name to clipboard