Navigation controller issue after presenting a view controller

Question

im trying to present my view controller and it is presenting fine, but status bar color seems having some shadow, see the attachment

But i require

What is the reason for that shadow, i even tried changing the status bar style and added view controller-based status bar appearance to true and tried with false to nothing works, Help me with this.

Method used for navigation

func navigationMethod() {
    let pharmacyStoryboard = UIStoryboard(name: "Main", bundle: nil)
    let copayCalculationVCidentifier = String(describing: ChangeViewCotnroller.self)
    
    if let copayCalculationViewController = pharmacyStoryboard.instantiateViewController(identifier: copayCalculationVCidentifier, creator: { coder in
        
        let copayCalculationVC = ChangeViewCotnroller(coder: coder)
        return copayCalculationVC
    }) as? ChangeViewCotnroller {
        
        present(copayCalculationViewController, withModelStyle: .automatic, animated: true, completion: nil)
    }
}