Update State semantics to match new Xcode 27 SwiftUI

[dfabulich]

https://developer.apple.com/documentation/updates/swiftui

June 2026

General

Build your project in Xcode 27 or later so that the @State attribute uses the State() macro to create a state value in an App, Scene, or View. This change only initializes and stores your property once when it’s a class.

@State is now a macro instead of a @propertyWrapper.

• macro: https://developer.apple.com/documentation/SwiftUI/State()
• @propertyWrapper: https://developer.apple.com/documentation/swiftui/state