Hendrik Bugdoll

SFSymbols have a size of ~22x22pt and `Ti.UI.iOS.systemImage` uses internally [systemImageNamed:](https://developer.apple.com/documentation/uikit/uiimage/init(systemname:)?language=objc) for generating the icons. For setting the bar buttons in the nav bar [setLeftBarButtonItems:animated:](https://developer.apple.com/documentation/uikit/uinavigationitem/setleftbarbuttonitems(_:animated:)?language=objc) resp. [setRightBarButtonItems:animated:](https://developer.apple.com/documentation/uikit/uinavigationitem/setrightbarbuttonitems(_:animated:)?language=objc) is used internally....