[plrdev]

Fixes #58

Expo SDK 58 moved to the scene-based life cycle: the AppDelegate no longer creates a UIWindow, SceneDelegate does. That broke the library in two ways:

1. Prebuild failed because the config plugin anchored the theme recovery on window = UIWindow(frame: UIScreen.main.bounds).
2. The recovered theme didn't reach native UI. recoverApplicationTheme() now runs in didFinishLaunching, before any window exists, so forceTheme had no windows to style. JS got the right scheme (via RCTOverrideAppearancePreference), but the window kept following the system, so status bar, alerts and pickers were in the wrong theme until the next setThemePreference call.

Changes

• Config plugin: when the AppDelegate has no window creation, insert the recovery right before return super.application(application, didFinishLaunchingWithOptions: launchOptions). Older AppDelegates keep the existing anchor, so their generated code is unchanged.
• iOS: forceTheme also applies the forced style to windows that become visible later (UIWindowDidBecomeVisibleNotification, observer registered once). Nothing changes when the style is unspecified.
• Added unit tests for the plugin's AppDelegate edit, covering both template shapes.

Testing

On a fresh blank-typescript@sdk-58 app (expo 58.0.4, RN 0.88.0-rc.3, Xcode 27.1, iOS 27.1 simulator):

• expo prebuild succeeds; the recovery lands above the return.
• Set the preference to dark with the system in light, kill the app, relaunch: JS scheme is dark and a native Alert is dark. With the plugin fix alone (old native code), JS is dark but the native alert is light.

without iOS change	with iOS change

yarn test, yarn typescript and yarn lint pass.

Side note, not addressed here: the react-native: >=0.79.0 peer range doesn't match RN prereleases like 0.88.0-rc.3, so npm needs --legacy-peer-deps on SDK 58 for now.