message: Fix NAN around cover image edit date
diff: @@ -46,7 +46,7 @@ const BlockLightboxActions: React.FC<BlockLightboxActionsProps> = ({
  return (
  <Container>
  - {showImageEditedDate && (
  + {!!showImageEditedDate && (
  <Text color="gray.regular" fontSize={1}>
  Cover image edited on {imageUpdatedAt}
  </Text>
  