On iOS, if the app is closed the startup options are only passed as the `launchOptions` dictionary of `applicationDidFinishLaunching`. Thus add a helper method to be called from there by embedding applications so we can copy that dictionary.
On iOS, if the app is closed the startup options are only passed as the `launchOptions` dictionary of `applicationDidFinishLaunching`. Thus add a helper method to be called from there by embedding applications so we can copy that dictionary.