FIX: Fix call to observer in ResampleWidget on cancel
FIX: Fix call to observer in ResampleWidget on cancel

sumedhasingla/VesselView,KitwareMedical/VesselView,matthieuheitz/VesselView,agirault/VesselView,sumedhasingla/VesselView,KitwareMedical/VesselView,sumedhasingla/VesselView,agirault/VesselView,matthieuheitz/VesselView,agirault/VesselView,matthieuheitz/VesselView,KitwareMedical/VesselView