fix previews

Seems to crash the previews macro if we do not provide a rootViewController, despite being optional

Author: iamgabrielma

WooCommerce/Classes/ViewRelated/Orders/Payment Methods/PaymentMethodsView.swift

@@ -251,27 +251,47 @@ extension PaymentMethodsView {
 }
 
 // MARK: Previews
-struct PaymentMethodsView_Preview: PreviewProvider {
-    static var previews: some View {
-        NavigationView {
-            PaymentMethodsView(viewModel: .init(total: "15.99", formattedTotal: "$15.99", flow: .orderPayment, channel: .storeManagement))
-                .navigationBarTitleDisplayMode(.inline)
-        }
-        .environment(\.colorScheme, .light)
-        .previewDisplayName("Light")
+#Preview("Light") {
+    @Previewable @State var rootViewController = UIViewController()
+    NavigationView {
+        PaymentMethodsView(
+            rootViewController: rootViewController,
+            viewModel: PaymentMethodsViewModel(total: "15.99",
+                                                formattedTotal: "$15.99",
+                                                flow: .orderPayment,
+                                                channel: .storeManagement)
+        )
+        .navigationBarTitleDisplayMode(.inline)
+    }
+    .environment(\.colorScheme, .light)
+}
 
-        NavigationView {
-            PaymentMethodsView(viewModel: .init(total: "15.99", formattedTotal: "$15.99", flow: .orderPayment, channel: .storeManagement))
-                .navigationBarTitleDisplayMode(.inline)
-        }
-        .environment(\.colorScheme, .dark)
-        .previewDisplayName("Dark")
+#Preview("Dark") {
+    @Previewable @State var rootViewController = UIViewController()
+    NavigationView {
+        PaymentMethodsView(
+            rootViewController: rootViewController,
+            viewModel: PaymentMethodsViewModel(total: "15.99",
+                                                formattedTotal: "$15.99",
+                                                flow: .orderPayment,
+                                                channel: .storeManagement)
+        )
+        .navigationBarTitleDisplayMode(.inline)
+    }
+    .environment(\.colorScheme, .dark)
+}
 
-        NavigationView {
-            PaymentMethodsView(viewModel: .init(total: "15.99", formattedTotal: "$15.99", flow: .orderPayment, channel: .storeManagement))
-                .navigationBarTitleDisplayMode(.inline)
-        }
-        .environment(\.sizeCategory, .accessibilityExtraExtraLarge)
-        .previewDisplayName("Accessibility")
+#Preview("Accessibility") {
+    @Previewable @State var rootViewController = UIViewController()
+    NavigationView {
+        PaymentMethodsView(
+            rootViewController: rootViewController,
+            viewModel: PaymentMethodsViewModel(total: "15.99",
+                                                formattedTotal: "$15.99",
+                                                flow: .orderPayment,
+                                                channel: .storeManagement)
+        )
+        .navigationBarTitleDisplayMode(.inline)
     }
+    .environment(\.sizeCategory, .accessibilityExtraExtraLarge)
 }