message: Fix flicking affect when dragging (mac)
diff: @@ -67,14 +67,11 @@ class TimelineBaseCell: NSCollectionViewItem {
  // MARK: Mouse activity
  override func mouseEntered(with event: NSEvent) {
  - print("mouseEntered")
  handleMouseEntered(event)
  }
  override func mouseExited(with event: NSEvent) {
  - print("mouseExited")
  handleMouseExit(event)
  -
  }
  override func mouseDown(with event: NSEvent) {
  @@ -180,6 +177,13 @@ extension TimelineBaseCell {
  }
  private func handleMouseEntered(_ event: NSEvent) {
  +
  + // Skip exit if the user is resizing
  + if isUserResizing && userAction != .none {
  + return
  + }
  +
  + print("mouseEntered")
  delegate?.timelineCellMouseDidEntered(self)
  // Determine which drag position is
  @@ -211,6 +215,8 @@ extension TimelineBaseCell {
  return
  }
  + print("mouseExited")
  +
  // Only Reset if the mouse is out of the foreground box
  let position = event.locationInWindow
  let localPosition = foregroundBox.convert(position, from: nil)
  