return keywindow code back to code currently working for visionOS

Author: mipetriu

IdentityCore/src/util/ios/UIApplication+MSIDExtensions.m

@@ -36,17 +36,20 @@ + (UIViewController *)msidCurrentViewController:(UIViewController *)parentContro
 
     if ([MSIDAppExtensionUtil isExecutingInAppExtension]) return nil;
 
-    for (UIWindowScene* scene in [[MSIDAppExtensionUtil sharedApplication] connectedScenes])
+    NSArray<UIScene *> *scenes; NSArray<UIWindow *> *windows;
+
+    scenes = [[[MSIDAppExtensionUtil sharedApplication] connectedScenes] allObjects];
+
+    if (scenes && scenes.count != 0)
+    {
+        windows = [(UIWindowScene *)[scenes objectAtIndex:0] windows];
+    }
+
+    for (UIWindow *window in windows)
     {
-        if (scene.activationState == UISceneActivationStateForegroundActive)
+        if (window.isKeyWindow)
         {
-            for (UIWindow *window in scene.windows)
-            {
-                if (window.isKeyWindow)
-                {
-                    return [self msidCurrentViewControllerWithRootViewController:window.rootViewController];
-                }
-            }
+            return [self msidCurrentViewControllerWithRootViewController:window.rootViewController];
         }
     }