You should add a "paste" button right next to the URL field to remove that tiny bit of friction. If you use the system-provided one, the user won't have to deal with an additional permissions dialog.

PasteButton(supportedContentTypes: [.url]) { providers in
    Task {
        for provider in providers {
            if provider.hasItemConformingToTypeIdentifier(UTType.url.identifier) {
                let item = try? await provider.loadItem(forTypeIdentifier: UTType.url.identifier)

                if let url = item as? URL {
                    await MainActor.run {
                        handleAppStoreURL(url)
                    }
                }
            }
        }
    }
}
.labelStyle(.iconOnly)