feat: show 'Booking Closed' in BookTickets page when event is unpublished#175

NagariaHussain merged 2 commits intoBuildWithHussain:mainBuildWithHussain/buzz:mainfrom

imgullu786:fix/prevent-booking-form-for-unblished-eventimgullu786/buzz:fix/prevent-booking-form-for-unblished-eventCopy head branch name to clipboard