fix: add Desktop OAuth timeout, restore iOS keyWindow filter

composeApp/src/desktopMain/kotlin/ch/parano/myice/auth/DesktopOAuthClient.kt

@@ -1,6 +1,8 @@
 package ch.parano.myice.auth
 
 import kotlinx.coroutines.CompletableDeferred
+import kotlinx.coroutines.TimeoutCancellationException
+import kotlinx.coroutines.withTimeout
 import java.awt.Desktop
 import java.io.BufferedReader
 import java.io.InputStreamReader
@@ -84,7 +86,11 @@ class DesktopOAuthClient : OAuthClient {
         }
 
         return try {
-            deferred.await()
+            withTimeout(5 * 60 * 1000L) {
+                deferred.await()
+            }
+        } catch (e: TimeoutCancellationException) {
+            null
         } finally {
             server.close()
         }

composeApp/src/iosMain/kotlin/ch/parano/myice/auth/IosOAuthClient.kt

@@ -66,7 +66,7 @@ class IosOAuthClient : OAuthClient {
     private fun keyWindow(): UIWindow {
         val scenes = UIApplication.sharedApplication.connectedScenes
         val windowScene = scenes.firstOrNull { it is UIWindowScene } as? UIWindowScene
-        return (windowScene?.windows?.firstOrNull() as? UIWindow) ?: UIWindow()
+        return (windowScene?.windows?.firstOrNull { (it as? UIWindow)?.isKeyWindow() == true } as? UIWindow) ?: UIWindow()
     }
 
     companion object {