Remove background from sheets

BackgroundClearView.swift

import SwiftUI

/// Usage:
///     .fullScreenOverlay(isPresented: $showAttachmentsMenu) {
///         SomeView()
///             .background(BackgroundClearView())
///     }
struct BackgroundClearView: UIViewRepresentable {
    func makeUIView(context: Context) -> UIView {
        let view = UIView()
        DispatchQueue.main.async {
            view.superview?.superview?.backgroundColor = .clear
        }
        return view
    }
    func updateUIView(_ uiView: UIView, context: Context) {}
}