'How to change the navigationBar color in UIDocumentInteractionController in iOS 15?

Here's what I have tried so far:

func documentInteractionControllerViewControllerForPreview(_ controller: UIDocumentInteractionController) -> UIViewController
{
    navigationController?.navigationBar.barTintColor = UIColor.black
    navigationController?.navigationBar.backgroundColor = UIColor.black
    navigationController?.navigationBar.tintColor = UIColor.white
    navigationController?.navigationBar.isTranslucent = false

    return self.navigationController ?? self
}

I have tried it using UINavigationBar.appearance().barTintColor = UIColor.black, still it didn't work.

At best the navBar changes to translucent color of the previous ViewController.

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'How to change the navigationBar color in UIDocumentInteractionController in iOS 15?

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