message: Fix incorrect UI on Activity Hover (mac)
diff: @@ -57,6 +57,8 @@ final class TimelineActivityHoverController: NSViewController {
  private func buildLabel(from event: TimelineEvent, isSubEvent: Bool) -> NSTextField {
  let textField = NSTextField(frame: NSRect.zero)
  + textField.drawsBackground = false
  + textField.isBordered = false
  textField.font = NSFont.systemFont(ofSize: 14.0)
  textField.textColor = isSubEvent ? NSColor.secondaryLabelColor : NSColor.labelColor
  textField.stringValue = "\(event.duration) \(event.title)"
  