allow cancelling and rescheduling for not confirmed bookings (#5770)

Co-authored-by: CarinaWolli <wollencarina@gmail.com>
Co-authored-by: Bailey Pumfleet <bailey@pumfleet.co.uk>

apps/web/pages/success.tsx

@@ -479,7 +479,7 @@ export default function Success(props: SuccessProps) {
                     )}
                   </div>
                 </div>
-                {!needsConfirmation &&
+                {(!needsConfirmation || !userIsOwner) &&
                   !isCancelled &&
                   (!isCancellationMode ? (
                     <>