message: Fix "Show dock icon" settings behaviour (mac)
  Fixed bug when in preferences, the Show dock option is turned off but the Toggl still appears in the Dock
diff: @@ -244,8 +244,6 @@ void *ctx;
  if ([[NSApplication sharedApplication] isActive] && [strongSelf.mainWindowController.window isVisible])
  {
  [self.mainWindowController.window close];
  - [NSApp setActivationPolicy:NSApplicationActivationPolicyProhibited];
  - [NSApp setActivationPolicy:NSApplicationActivationPolicyRegular];
  }
  else
  {
  