Fix for Privacy Notice closing when the screen goes dark.

1Weather/UI/View controllers/Menu/MenuViewController.swift

@@ -31,7 +31,13 @@ class MenuViewController: UIViewController {
     
     @objc
     private func appWillEnterBackgroundHandler() {
-        self.presentedViewController?.dismiss(animated: false, completion: nil)
+        guard let presentedViewController = presentedViewController else {
+            return
+        }
+        guard presentedViewController is SFSafariViewController else {
+            return
+        }
+        presentedViewController.dismiss(animated: false, completion: nil)
     }
     
     deinit {