message: Fix missing hover (mac)
diff: @@ -31,6 +31,7 @@ final class DateCellViewItem: NSCollectionViewItem {
  override var isSelected: Bool {
  didSet {
  guard !isHightlight else { return }
  + hoverView.isHidden = false
  hoverView.alphaValue = isSelected ? 1.0 : 0.0
  }
  }
  